thingsboard-developers

Add mqtt form

11/24/2017 2:11:13 PM

Details

ui/package.json 1(+1 -0)

diff --git a/ui/package.json b/ui/package.json
index cb8fdbd..81f4574 100644
--- a/ui/package.json
+++ b/ui/package.json
@@ -30,6 +30,7 @@
     "angular-material": "1.1.1",
     "angular-material-data-table": "^0.10.9",
     "angular-material-icons": "^0.7.1",
+    "angular-material-expansion-panel": "^0.7.2",
     "angular-messages": "1.5.8",
     "angular-route": "1.5.8",
     "angular-sanitize": "1.5.8",
diff --git a/ui/src/app/app.js b/ui/src/app/app.js
index 4a6f3f0..5b19089 100644
--- a/ui/src/app/app.js
+++ b/ui/src/app/app.js
@@ -39,6 +39,7 @@ import uiRouter from 'angular-ui-router';
 import angularJwt from 'angular-jwt';
 import 'angular-drag-and-drop-lists';
 import mdDataTable from 'angular-material-data-table';
+import 'angular-material-expansion-panel';
 import ngTouch from 'angular-touch';
 import 'angular-carousel';
 import 'clipboard';
@@ -82,6 +83,7 @@ import 'md-color-picker/dist/mdColorPicker.min.css';
 import 'mdPickers/dist/mdPickers.min.css';
 import 'angular-hotkeys/build/hotkeys.min.css';
 import 'angular-carousel/dist/angular-carousel.min.css';
+import 'angular-material-expansion-panel/dist/md-expansion-panel.min.css';
 import '../scss/main.scss';
 
 import AppConfig from './app.config';
@@ -103,6 +105,7 @@ angular.module('thingsboard', [
     angularJwt,
     'dndLists',
     mdDataTable,
+    'material.components.expansionPanels',
     ngTouch,
     'angular-carousel',
     'ngclipboard',
diff --git a/ui/src/app/common/types.constant.js b/ui/src/app/common/types.constant.js
index f78e0a8..5b3c9e4 100644
--- a/ui/src/app/common/types.constant.js
+++ b/ui/src/app/common/types.constant.js
@@ -350,6 +350,20 @@ export default angular.module('thingsboard.types', [])
                     name: "extension.pem"
                 }
             },
+            extensionOpcSecurityTypes: {
+                Basic128Rsa15: "Basic128Rsa15",
+                Basic256: "Basic256",
+                Basic256Sha256: "Basic256Sha256",
+                None: "None"
+            },
+            extensionIdentityType: {
+                anonymous: "extension.anonymous",
+                username: "extension.username"
+            },
+            extensionKeystoreType: {
+                PKCS12: "PKCS12",
+                JKS: "JKS"
+            },
             latestTelemetry: {
                 value: "LATEST_TELEMETRY",
                 name: "attribute.scope-latest-telemetry",
diff --git a/ui/src/app/extension/extension-dialog.controller.js b/ui/src/app/extension/extension-dialog.controller.js
index e580929..fe5825c 100644
--- a/ui/src/app/extension/extension-dialog.controller.js
+++ b/ui/src/app/extension/extension-dialog.controller.js
@@ -29,45 +29,88 @@ export default function ExtensionDialogController($scope, $mdDialog, $translate,
     vm.entityId = entityId;
     vm.allExtensions = allExtensions;
 
-    vm.configuration = {};
-    vm.newExtension = {id:"",type:"",configuration:vm.configuration};
 
-    if(!vm.isAdd) {
-        vm.newExtension = angular.copy(extension);
-        vm.configuration = vm.newExtension.configuration;
-        editTransformers(vm.newExtension);
+    if (extension) {
+        vm.extension = angular.copy(extension);
+        editTransformers(vm.extension);
+    } else {
+        vm.extension = {};
     }
 
-    vm.cancel = cancel;
-    vm.save = save;
 
+    vm.extensionTypeChange = function () {
+
+        if (vm.extension.type === "HTTP") {
+            vm.extension.configuration = {
+                "converterConfigurations": []
+            };
+        }
+        if (vm.extension.type === "MQTT") {
+            vm.extension.configuration = {
+                "brokers": []
+            };
+        }
+        if (vm.extension.type === "OPC UA") {
+            vm.extension.configuration = {
+                "servers": []
+            };
+        }
+    };
+
+    vm.cancel = cancel;
     function cancel() {
         $mdDialog.cancel();
     }
+
+    vm.save = save;
     function save() {
-        $mdDialog.hide();
-        saveTransformers();
-        if(vm.isAdd) {
-            vm.allExtensions.push(vm.newExtension);
+        let $errorElement = angular.element('[name=theForm]').find('.ng-invalid');
+
+        if ($errorElement.length) {
+
+            let $mdDialogScroll = angular.element('md-dialog-content').scrollTop();
+            let $mdDialogTop = angular.element('md-dialog-content').offset().top;
+            let $errorElementTop = angular.element('[name=theForm]').find('.ng-invalid').eq(0).offset().top;
+
+
+            if ($errorElementTop !== $mdDialogTop) {
+                angular.element('md-dialog-content').animate({
+                    scrollTop: $mdDialogScroll + ($errorElementTop - $mdDialogTop) - 50
+                }, 500);
+                $errorElement.eq(0).focus();
+            }
         } else {
-            var index = vm.allExtensions.indexOf(extension);
-            if(index > -1) {
-                vm.allExtensions[index] = vm.newExtension;
+
+            if(vm.isAdd) {
+                vm.allExtensions.push(vm.extension);
+            } else {
+                var index = vm.allExtensions.indexOf(extension);
+                if(index > -1) {
+                    vm.allExtensions[index] = vm.extension;
+                }
             }
-        }
 
-        var editedValue = angular.toJson(vm.allExtensions);
+            $mdDialog.hide();
+            saveTransformers();
 
-        attributeService.saveEntityAttributes(vm.entityType, vm.entityId, types.attributesScope.shared.value, [{key:"configuration", value:editedValue}]).then(
-            function success() {
-                $scope.theForm.$setPristine();
-            }
-        );
+            var editedValue = angular.toJson(vm.allExtensions);
+
+            attributeService
+                .saveEntityAttributes(
+                    vm.entityType,
+                    vm.entityId,
+                    types.attributesScope.shared.value,
+                    [{key:"configuration", value:editedValue}]
+                )
+                .then(function success() {
+                });
+
+        }
     }
     
     vm.validateId = function() {
         var coincidenceArray = vm.allExtensions.filter(function(ext) {
-            return ext.id == vm.newExtension.id;
+            return ext.id == vm.extension.id;
         });
         if(coincidenceArray.length) {
             if(!vm.isAdd) {
@@ -82,11 +125,11 @@ export default function ExtensionDialogController($scope, $mdDialog, $translate,
         } else {
             $scope.theForm.extensionId.$setValidity('uniqueIdValidation', true);
         }
-    }
+    };
 
     function saveTransformers() {
-        if(vm.newExtension.type == types.extensionType.http) {
-            var config = vm.newExtension.configuration.converterConfigurations;
+        if(vm.extension.type == types.extensionType.http) {
+            var config = vm.extension.configuration.converterConfigurations;
             if(config && config.length > 0) {
                 for(let i=0;i<config.length;i++) {
                     for(let j=0;j<config[i].converters.length;j++){
@@ -106,8 +149,8 @@ export default function ExtensionDialogController($scope, $mdDialog, $translate,
                 }
             }
         }
-        if(vm.newExtension.type == types.extensionType.mqtt) {
-            var brokers = vm.newExtension.configuration.brokers;
+        if(vm.extension.type == types.extensionType.mqtt) {
+            var brokers = vm.extension.configuration.brokers;
             if(brokers && brokers.length > 0) {
                 for(let i=0;i<brokers.length;i++) {
                     if(brokers[i].mapping && brokers[i].mapping.length > 0) {
@@ -119,6 +162,27 @@ export default function ExtensionDialogController($scope, $mdDialog, $translate,
                             delete brokers[i].mapping[j].converterType;
                         }
                     }
+                    if(brokers[i].connectRequests && brokers[i].connectRequests.length > 0) {
+                        for(let j=0;j<brokers[i].connectRequests.length;j++) {
+                            delete brokers[i].connectRequests[j].nameExp;
+                        }
+                    }
+                    if(brokers[i].disconnectRequests && brokers[i].disconnectRequests.length > 0) {
+                        for(let j=0;j<brokers[i].disconnectRequests.length;j++) {
+                            delete brokers[i].disconnectRequests[j].nameExp;
+                        }
+                    }
+                    if(brokers[i].attributeRequests && brokers[i].attributeRequests.length > 0) {
+                        for(let j=0;j<brokers[i].attributeRequests.length;j++) {
+                            delete brokers[i].attributeRequests[j].nameExp;
+                        }
+                        for(let j=0;j<brokers[i].attributeRequests.length;j++) {
+                            delete brokers[i].attributeRequests[j].attrKey;
+                        }
+                        for(let j=0;j<brokers[i].attributeRequests.length;j++) {
+                            delete brokers[i].attributeRequests[j].requestId;
+                        }
+                    }
                 }
             }
         }
@@ -174,6 +238,43 @@ export default function ExtensionDialogController($scope, $mdDialog, $translate,
                         }
                     }
                 }
+                if(brokers[i].connectRequests && brokers[i].connectRequests.length > 0) {
+                    for(let j=0;j<brokers[i].connectRequests.length;j++) {
+                        if(brokers[i].connectRequests[j].deviceNameTopicExpression) {
+                            brokers[i].connectRequests[j].nameExp = "deviceNameTopicExpression";
+                        } else {
+                            brokers[i].connectRequests[j].nameExp = "deviceNameJsonExpression";
+                        }
+                    }
+                }
+                if(brokers[i].disconnectRequests && brokers[i].disconnectRequests.length > 0) {
+                    for(let j=0;j<brokers[i].disconnectRequests.length;j++) {
+                        if(brokers[i].disconnectRequests[j].deviceNameTopicExpression) {
+                            brokers[i].disconnectRequests[j].nameExp = "deviceNameTopicExpression";
+                        } else {
+                            brokers[i].disconnectRequests[j].nameExp = "deviceNameJsonExpression";
+                        }
+                    }
+                }
+                if(brokers[i].attributeRequests && brokers[i].attributeRequests.length > 0) {
+                    for(let j=0;j<brokers[i].attributeRequests.length;j++) {
+                        if(brokers[i].attributeRequests[j].deviceNameTopicExpression) {
+                            brokers[i].attributeRequests[j].nameExp = "deviceNameTopicExpression";
+                        } else {
+                            brokers[i].attributeRequests[j].nameExp = "deviceNameJsonExpression";
+                        }
+                        if(brokers[i].attributeRequests[j].attributeKeyTopicExpression) {
+                            brokers[i].attributeRequests[j].attrKey = "attributeKeyTopicExpression";
+                        } else {
+                            brokers[i].attributeRequests[j].attrKey = "attributeKeyJsonExpression";
+                        }
+                        if(brokers[i].attributeRequests[j].requestIdTopicExpression) {
+                            brokers[i].attributeRequests[j].requestId = "requestIdTopicExpression";
+                        } else {
+                            brokers[i].attributeRequests[j].requestId = "requestIdJsonExpression";
+                        }
+                    }
+                }
             }
         }
     }
diff --git a/ui/src/app/extension/extension-dialog.tpl.html b/ui/src/app/extension/extension-dialog.tpl.html
index e3f3663..73c33d8 100644
--- a/ui/src/app/extension/extension-dialog.tpl.html
+++ b/ui/src/app/extension/extension-dialog.tpl.html
@@ -15,8 +15,8 @@
     limitations under the License.
 
 -->
-<md-dialog aria-label="{{ (vm.isAdd ? 'extension.add' : 'extension.edit' ) | translate }}" style="min-width: 1000px;">
-    <form name="theForm" ng-submit="vm.save()">
+<md-dialog class="extensionDialog" aria-label="{{ (vm.isAdd ? 'extension.add' : 'extension.edit' ) | translate }}">
+    <form name="theForm" ng-submit="vm.save()" novalidate>
         <md-toolbar>
             <div class="md-toolbar-tools">
                 <h2 translate>{{ vm.isAdd ? 'extension.add' : 'extension.edit'}}</h2>
@@ -26,49 +26,54 @@
                 </md-button>
             </div>
         </md-toolbar>
+
         <md-progress-linear class="md-warn" md-mode="indeterminate" ng-disabled="!loading" ng-show="loading"></md-progress-linear>
+
         <span style="min-height: 5px;" flex="" ng-show="!loading"></span>
+
         <md-dialog-content>
             <div class="md-dialog-content">
                 <md-content class="md-padding" layout="column">
                     <fieldset ng-disabled="loading">
                         <section flex layout="row">
-                            <md-input-container flex="60" class="md-block">
+                            <md-input-container flex="60" class="md-block" md-is-error="theForm.extensionId.$touched && theForm.extensionId.$invalid">
                                 <label translate>extension.extension-id</label>
-                                <input required name="extensionId" ng-model="vm.newExtension.id" ng-change="vm.validateId()">
+                                <input required name="extensionId" ng-model="vm.extension.id" ng-change="vm.validateId()">
                                 <div ng-messages="theForm.extensionId.$error">
-                                    <div translate ng-message="required">extension.id-required</div>
+                                    <div translate ng-message="required">extension.field-required</div>
                                     <div translate ng-message="uniqueIdValidation">extension.unique-id-required</div>
                                 </div>
                             </md-input-container>
-                            <md-input-container flex="40" class="md-block">
+
+                            <md-input-container flex="40" class="md-block" md-is-error="theForm.extensionType.$touched && theForm.extensionType.$invalid">
                                 <label translate>extension.extension-type</label>
-                                <md-select ng-disabled="!vm.isAdd" required name="extensionType" ng-model="vm.newExtension.type">
+
+                                <md-select ng-disabled="!vm.isAdd" required name="extensionType" ng-change="vm.extensionTypeChange()" ng-model="vm.extension.type">
                                     <md-option ng-repeat="(key,value) in vm.types.extensionType" ng-value="value">
                                         {{value}}
                                     </md-option>
                                 </md-select>
+
                                 <div ng-messages="theForm.extensionType.$error">
-                                    <div translate ng-message="required">extension.type-required</div>
+                                    <div translate ng-message="required">extension.field-required</div>
                                 </div>
                             </md-input-container>
                         </section>
-
-                        <div tb-extension-form-http config="vm.configuration" is-add="vm.isAdd" ng-if="vm.newExtension.type && vm.newExtension.type == vm.types.extensionType.http"></div>
-                        <div tb-extension-form-mqtt config="vm.configuration" is-add="vm.isAdd" ng-if="vm.newExtension.type && vm.newExtension.type == vm.types.extensionType.mqtt"></div>
-
+                        <div tb-extension-form-http config="vm.extension.configuration" is-add="vm.isAdd" ng-if="vm.extension.type && vm.extension.type == vm.types.extensionType.http"></div>
+                        <div tb-extension-form-mqtt config="vm.extension.configuration" is-add="vm.isAdd" ng-if="vm.extension.type && vm.extension.type == vm.types.extensionType.mqtt"></div>
+                        <div tb-extension-form-opc  configuration="vm.extension.configuration"  ng-if="vm.extension.type && vm.extension.type == vm.types.extensionType.opc"></div>
                     </fieldset>
-
-                    <!--<div>{{vm.newExtension}}</div>-->
                 </md-content>
             </div>
         </md-dialog-content>
+
         <md-dialog-actions layout="row">
-            <span flex></span>
-            <md-button ng-disabled="loading || theForm.$invalid || !theForm.$dirty" type="submit"
-                       class="md-raised md-primary">
+            <md-button type="submit"
+                       class="md-raised md-primary"
+            >
                 {{ (vm.isAdd  ? 'action.add' : 'action.save') | translate }}
             </md-button>
+
             <md-button ng-disabled="loading" ng-click="vm.cancel()" style="margin-right:20px;">{{ 'action.cancel' | translate }}
             </md-button>
         </md-dialog-actions>
diff --git a/ui/src/app/extension/extensions-forms/extension-form.scss b/ui/src/app/extension/extensions-forms/extension-form.scss
index f40970b..cc3e052 100644
--- a/ui/src/app/extension/extensions-forms/extension-form.scss
+++ b/ui/src/app/extension/extensions-forms/extension-form.scss
@@ -22,9 +22,6 @@
     margin-top: 0;
     padding-left: 3px;
   }
-  .t-right {
-    text-align: right;
-  }
   .tb-container {
     width:100%;
   }
@@ -33,6 +30,15 @@
       padding: 5px 0 0 0;
     }
   }
+  .dropdown-section {
+    margin-bottom: 30px;
+  }
+}
+
+.extension-form.extension-mqtt {
+  md-checkbox{
+    margin-left: 10px;
+  }
 }
 
 .tb-extension-custom-transformer-panel {
@@ -48,4 +54,20 @@
   .ace_text-input {
     position:absolute!important
   }
+}
+
+.extensionDialog {
+  min-width: 1000px;
+}
+
+.tb-container-for-select {
+  height: 58px;
+}
+
+.tb-drop-file-input-hide {
+  height: 200%;
+  display: block;
+  position: absolute;
+  bottom: 0;
+  width: 100%;
 }
\ No newline at end of file
diff --git a/ui/src/app/extension/extensions-forms/extension-form-http.directive.js b/ui/src/app/extension/extensions-forms/extension-form-http.directive.js
index b185b4b..9484ab4 100644
--- a/ui/src/app/extension/extensions-forms/extension-form-http.directive.js
+++ b/ui/src/app/extension/extensions-forms/extension-form-http.directive.js
@@ -53,74 +53,62 @@ export default function ExtensionFormHttpDirective($compile, $templateCache, $tr
             }
         };
 
-        if(scope.isAdd) {
-            scope.converterConfigs = [];
-            scope.config.converterConfigurations = scope.converterConfigs;
-        } else {
-            scope.converterConfigs = scope.config.converterConfigurations;
-        }
-
-        scope.updateValidity = function() {
-            var valid = scope.converterConfigs && scope.converterConfigs.length > 0;
-            scope.theForm.$setValidity('converterConfigs', valid);
-            if(scope.converterConfigs.length) {
-                for(let i=0;i<scope.converterConfigs.length;i++) {
-                    if(!scope.converterConfigs[i].converters.length) {
-                        scope.theForm.$setValidity('converters', false);
-                        break;
-                    } else {
-                        scope.theForm.$setValidity('converters', true);
-                    }
-                }
-            }
-        };
-
-        scope.$watch('converterConfigs', function() {
-            scope.updateValidity();
-        }, true);
 
         scope.addConverterConfig = function() {
             var newConverterConfig = {converterId:"", converters:[]};
             scope.converterConfigs.push(newConverterConfig);
-        }
+
+            scope.converterConfigs[scope.converterConfigs.length - 1].converters = [];
+            scope.addConverter(scope.converterConfigs[scope.converterConfigs.length - 1].converters);
+        };
 
         scope.removeConverterConfig = function(config) {
             var index = scope.converterConfigs.indexOf(config);
             if (index > -1) {
                 scope.converterConfigs.splice(index, 1);
             }
-            scope.theForm.$setDirty();
-        }
+        };
 
         scope.addConverter = function(converters) {
-            var newConverter = {deviceNameJsonExpression:"", deviceTypeJsonExpression:"", attributes:[], timeseries:[]};
+            var newConverter = {
+                deviceNameJsonExpression:"",
+                deviceTypeJsonExpression:"",
+                attributes:[],
+                timeseries:[]
+            };
             converters.push(newConverter);
-        }
+        };
 
         scope.removeConverter = function(converter, converters) {
             var index = converters.indexOf(converter);
             if (index > -1) {
                 converters.splice(index, 1);
             }
-            scope.theForm.$setDirty();
-        }
+        };
 
         scope.addAttribute = function(attributes) {
             var newAttribute = {type:"", key:"", value:""};
             attributes.push(newAttribute);
-        }
+        };
 
         scope.removeAttribute = function(attribute, attributes) {
             var index = attributes.indexOf(attribute);
             if (index > -1) {
                 attributes.splice(index, 1);
             }
-            scope.theForm.$setDirty();
+        };
+
+
+        if(scope.isAdd) {
+            scope.converterConfigs = scope.config.converterConfigurations;
+            scope.addConverterConfig();
+        } else {
+            scope.converterConfigs = scope.config.converterConfigurations;
         }
 
         scope.transformerTypeChange = function(attribute) {
             attribute.transformer = "";
-        }
+        };
 
         scope.validateTransformer = function (model, editorName) {
             if(model && model.length) {
@@ -131,10 +119,10 @@ export default function ExtensionFormHttpDirective($compile, $templateCache, $tr
                     scope.theForm[editorName].$setValidity('transformerJSON', false);
                 }
             }
-        }
-
+        };
+        
         $compile(element.contents())(scope);
-    }
+    };
 
     return {
         restrict: "A",
diff --git a/ui/src/app/extension/extensions-forms/extension-form-http.tpl.html b/ui/src/app/extension/extensions-forms/extension-form-http.tpl.html
index eb3bb3e..8202d29 100644
--- a/ui/src/app/extension/extensions-forms/extension-form-http.tpl.html
+++ b/ui/src/app/extension/extensions-forms/extension-form-http.tpl.html
@@ -23,18 +23,19 @@
     </md-card-title>
     <md-card-content>
         <v-accordion id="http-converter-configs-accordion" class="vAccordion--default">
-            <v-pane id="http-converters-pane" expanded="isAdd">
+            <v-pane id="http-converters-pane" expanded="true">
                 <v-pane-header>
                     {{ 'extension.converter-configurations' | translate }}
                 </v-pane-header>
                 <v-pane-content>
-                    <div ng-if="converterConfigs.length === 0">
-                        <span translate layout-align="center center" class="tb-prompt">extension.add-config-prompt</span>
-                    </div>
                     <div ng-if="converterConfigs.length > 0">
                         <ol class="list-group">
-                            <li class="list-group-item" ng-repeat="(configIndex,config) in converterConfigs">
-                                <md-button aria-label="{{ 'action.remove' | translate }}" class="md-icon-button" ng-click="removeConverterConfig(config)">
+                            <li class="list-group-item" ng-repeat="(configIndex, config) in converterConfigs">
+                                <md-button aria-label="{{ 'action.remove' | translate }}"
+                                           class="md-icon-button"
+                                           ng-click="removeConverterConfig(config)"
+                                           ng-hide="converterConfigs.length < 2"
+                                >
                                     <ng-md-icon icon="close" aria-label="{{ 'action.remove' | translate }}"></ng-md-icon>
                                     <md-tooltip md-direction="top">
                                         {{ 'action.remove' | translate }}
@@ -43,11 +44,11 @@
                                 <md-card>
                                     <md-card-content>
 
-                                        <md-input-container class="md-block">
+                                        <md-input-container class="md-block" md-is-error="theForm['httpConverterId_' + configIndex].$touched && theForm['httpConverterId_' + configIndex].$invalid">
                                             <label translate>extension.converter-id</label>
                                             <input required name="httpConverterId_{{configIndex}}" ng-model="config.converterId">
                                             <div ng-messages="theForm['httpConverterId_' + configIndex].$error">
-                                                <div translate ng-message="required">extension.converter-id-required</div>
+                                                <div translate ng-message="required">extension.field-required</div>
                                             </div>
                                         </md-input-container>
                                         <md-input-container class="md-block">
@@ -55,18 +56,21 @@
                                             <input name="httpToken" ng-model="config.token" parse-to-null>
                                         </md-input-container>
                                         <v-accordion id="http-converters-accordion" class="vAccordion--default">
-                                            <v-pane id="http-converters-pane">
+                                            <v-pane id="http-converters-pane" expanded="true">
                                                 <v-pane-header>
                                                     {{ 'extension.converters' | translate }}
                                                 </v-pane-header>
                                                 <v-pane-content>
-                                                    <div ng-if="config.converters.length === 0">
-                                                        <span translate layout-align="center center" class="tb-prompt">extension.add-converter-prompt</span>
-                                                    </div>
                                                     <div ng-if="config.converters.length > 0">
                                                         <ol class="list-group">
-                                                            <li class="list-group-item" ng-repeat="(converterIndex,converter) in config.converters">
-                                                                <md-button aria-label="{{ 'action.remove' | translate }}" class="md-icon-button" ng-click="removeConverter(converter, config.converters)">
+                                                            <li class="list-group-item"
+                                                                ng-repeat="(converterIndex,converter) in config.converters"
+                                                            >
+                                                                <md-button aria-label="{{ 'action.remove' | translate }}"
+                                                                           class="md-icon-button"
+                                                                           ng-click="removeConverter(converter, config.converters)"
+                                                                           ng-hide="config.converters.length < 2"
+                                                                >
                                                                     <ng-md-icon icon="close" aria-label="{{ 'action.remove' | translate }}"></ng-md-icon>
                                                                     <md-tooltip md-direction="top">
                                                                         {{ 'action.remove' | translate }}
@@ -74,18 +78,18 @@
                                                                 </md-button>
                                                                 <md-card>
                                                                     <md-card-content>
-                                                                        <md-input-container class="md-block">
+                                                                        <md-input-container class="md-block" md-is-error="theForm['httpDeviceNameExp_' + configIndex + converterIndex].$touched && theForm['httpDeviceNameExp_' + configIndex + converterIndex].$invalid">
                                                                             <label translate>extension.device-name-expression</label>
                                                                             <input required name="httpDeviceNameExp_{{configIndex}}{{converterIndex}}" ng-model="converter.deviceNameJsonExpression">
                                                                             <div ng-messages="theForm['httpDeviceNameExp_' + configIndex + converterIndex].$error">
-                                                                                <div translate ng-message="required">extension.device-name-expression-required</div>
+                                                                                <div translate ng-message="required">extension.field-required</div>
                                                                             </div>
                                                                         </md-input-container>
-                                                                        <md-input-container class="md-block">
+                                                                        <md-input-container class="md-block" md-is-error="theForm['httpDeviceTypeExp_' + configIndex + converterIndex].$touched && theForm['httpDeviceTypeExp_' + configIndex + converterIndex].$invalid">
                                                                             <label translate>extension.device-type-expression</label>
                                                                             <input required name="httpDeviceTypeExp_{{configIndex}}{{converterIndex}}" ng-model="converter.deviceTypeJsonExpression">
                                                                             <div ng-messages="theForm['httpDeviceTypeExp_' + configIndex + converterIndex].$error">
-                                                                                <div translate ng-message="required">extension.device-type-expression-required</div>
+                                                                                <div translate ng-message="required">extension.field-required</div>
                                                                             </div>
                                                                         </md-input-container>
 
@@ -107,14 +111,14 @@
                                                                                                 <md-card>
                                                                                                     <md-card-content>
                                                                                                         <section flex layout="row">
-                                                                                                            <md-input-container flex="60" class="md-block">
+                                                                                                            <md-input-container flex="60" class="md-block" md-is-error="theForm['httpAttributeKey_' + configIndex + converterIndex + attributeIndex].$touched && theForm['httpAttributeKey_' + configIndex + converterIndex + attributeIndex].$invalid">
                                                                                                                 <label translate>extension.key</label>
                                                                                                                 <input required name="httpAttributeKey_{{configIndex}}{{converterIndex}}{{attributeIndex}}" ng-model="attribute.key">
                                                                                                                 <div ng-messages="theForm['httpAttributeKey_' + configIndex + converterIndex + attributeIndex].$error">
-                                                                                                                    <div translate ng-message="required">extension.required-key</div>
+                                                                                                                    <div translate ng-message="required">extension.field-required</div>
                                                                                                                 </div>
                                                                                                             </md-input-container>
-                                                                                                            <md-input-container flex="40" class="md-block">
+                                                                                                            <md-input-container flex="40" class="md-block" md-is-error="theForm['httpAttributeType_' + configIndex + converterIndex + attributeIndex].$touched && theForm['httpAttributeType_' + configIndex + converterIndex + attributeIndex].$invalid">
                                                                                                                 <label translate>extension.type</label>
                                                                                                                 <md-select required name="httpAttributeType_{{configIndex}}{{converterIndex}}{{attributeIndex}}" ng-model="attribute.type">
                                                                                                                     <md-option ng-repeat="(attrType, attrTypeValue) in types.extensionValueType" ng-value="attrType">
@@ -122,16 +126,16 @@
                                                                                                                     </md-option>
                                                                                                                 </md-select>
                                                                                                                 <div ng-messages="theForm['httpAttributeType_' + configIndex + converterIndex + attributeIndex].$error">
-                                                                                                                    <div translate ng-message="required">extension.required-type</div>
+                                                                                                                    <div translate ng-message="required">extension.field-required</div>
                                                                                                                 </div>
                                                                                                             </md-input-container>
                                                                                                         </section>
                                                                                                         <section flex layout="row">
-                                                                                                            <md-input-container flex="60" class="md-block">
+                                                                                                            <md-input-container flex="60" class="md-block" md-is-error="theForm['httpAttributeValue_' + configIndex + converterIndex + attributeIndex].$touched && theForm['httpAttributeValue_' + configIndex + converterIndex + attributeIndex].$invalid">
                                                                                                                 <label translate>extension.value</label>
                                                                                                                 <input required name="httpAttributeValue_{{configIndex}}{{converterIndex}}{{attributeIndex}}" ng-model="attribute.value">
                                                                                                                 <div ng-messages="theForm['httpAttributeValue_' + configIndex + converterIndex + attributeIndex].$error">
-                                                                                                                    <div translate ng-message="required">extension.required-value</div>
+                                                                                                                    <div translate ng-message="required">extension.field-required</div>
                                                                                                                 </div>
                                                                                                             </md-input-container>
 
@@ -172,11 +176,8 @@
                                                                                     <div flex layout="row" layout-align="start center">
                                                                                         <md-button class="md-primary md-raised"
                                                                                                    ng-click="addAttribute(converter.attributes)" aria-label="{{ 'action.add' | translate }}">
-                                                                                            <md-tooltip md-direction="top">
-                                                                                                {{ 'extension.add-attribute' | translate }}
-                                                                                            </md-tooltip>
                                                                                             <md-icon class="material-icons">add</md-icon>
-                                                                                            <span translate>action.add</span>
+                                                                                            <span translate>extension.add-attribute</span>
                                                                                         </md-button>
                                                                                     </div>
                                                                                 </v-pane-content>
@@ -202,14 +203,14 @@
                                                                                                 <md-card>
                                                                                                     <md-card-content>
                                                                                                         <section flex layout="row">
-                                                                                                            <md-input-container flex="60" class="md-block">
+                                                                                                            <md-input-container flex="60" class="md-block" md-is-error="theForm['httpTimeseriesKey_' + configIndex + converterIndex + timeseriesIndex].$touched && theForm['httpTimeseriesKey_' + configIndex + converterIndex + timeseriesIndex].$invalid">
                                                                                                                 <label translate>extension.key</label>
                                                                                                                 <input required name="httpTimeseriesKey_{{configIndex}}{{converterIndex}}{{timeseriesIndex}}" ng-model="timeseries.key">
                                                                                                                 <div ng-messages="theForm['httpTimeseriesKey_' + configIndex + converterIndex + timeseriesIndex].$error">
-                                                                                                                    <div translate ng-message="required">extension.required-key</div>
+                                                                                                                    <div translate ng-message="required">extension.field-required</div>
                                                                                                                 </div>
                                                                                                             </md-input-container>
-                                                                                                            <md-input-container flex="40" class="md-block">
+                                                                                                            <md-input-container flex="40" class="md-block" md-is-error="theForm['httpTimeseriesType_' + configIndex + converterIndex + timeseriesIndex].$touched && theForm['httpTimeseriesType_' + configIndex + converterIndex + timeseriesIndex].$invalid">
                                                                                                                 <label translate>extension.type</label>
                                                                                                                 <md-select required name="httpTimeseriesType_{{configIndex}}{{converterIndex}}{{timeseriesIndex}}" ng-model="timeseries.type">
                                                                                                                     <md-option ng-repeat="(attrType, attrTypeValue) in types.extensionValueType" ng-value="attrType">
@@ -217,16 +218,16 @@
                                                                                                                     </md-option>
                                                                                                                 </md-select>
                                                                                                                 <div ng-messages="theForm['httpTimeseriesType_' + configIndex + converterIndex + timeseriesIndex].$error">
-                                                                                                                    <div translate ng-message="required">extension.required-type</div>
+                                                                                                                    <div translate ng-message="required">extension.field-required</div>
                                                                                                                 </div>
                                                                                                             </md-input-container>
                                                                                                         </section>
                                                                                                         <section flex layout="row">
-                                                                                                            <md-input-container flex="60" class="md-block">
+                                                                                                            <md-input-container flex="60" class="md-block" md-is-error="theForm['httpTimeseriesValue_' + configIndex + converterIndex + timeseriesIndex].$touched && theForm['httpTimeseriesValue_' + configIndex + converterIndex + timeseriesIndex].$invalid">
                                                                                                                 <label translate>extension.value</label>
                                                                                                                 <input required name="httpTimeseriesValue_{{configIndex}}{{converterIndex}}{{timeseriesIndex}}" ng-model="timeseries.value">
                                                                                                                 <div ng-messages="theForm['httpTimeseriesValue_' + configIndex + converterIndex + timeseriesIndex].$error">
-                                                                                                                    <div translate ng-message="required">extension.required-value</div>
+                                                                                                                    <div translate ng-message="required">extension.field-required</div>
                                                                                                                 </div>
                                                                                                             </md-input-container>
 
@@ -267,11 +268,8 @@
                                                                                     <div flex layout="row" layout-align="start center">
                                                                                         <md-button class="md-primary md-raised"
                                                                                                    ng-click="addAttribute(converter.timeseries)" aria-label="{{ 'action.add' | translate }}">
-                                                                                            <md-tooltip md-direction="top">
-                                                                                                {{ 'extension.add-timeseries' | translate }}
-                                                                                            </md-tooltip>
                                                                                             <md-icon class="material-icons">add</md-icon>
-                                                                                            <span translate>action.add</span>
+                                                                                            <span translate>extension.add-timeseries</span>
                                                                                         </md-button>
                                                                                     </div>
                                                                                 </v-pane-content>
@@ -285,11 +283,8 @@
                                                     <div flex layout="row" layout-align="start center">
                                                         <md-button class="md-primary md-raised"
                                                                    ng-click="addConverter(config.converters)" aria-label="{{ 'action.add' | translate }}">
-                                                            <md-tooltip md-direction="top">
-                                                                {{ 'extension.add-converter' | translate }}
-                                                            </md-tooltip>
                                                             <md-icon class="material-icons">add</md-icon>
-                                                            <span translate>action.add</span>
+                                                            <span translate>extension.add-converter</span>
                                                         </md-button>
                                                     </div>
                                                 </v-pane-content>
@@ -304,11 +299,8 @@
                     <div flex layout="row" layout-align="start center">
                         <md-button class="md-primary md-raised"
                                    ng-click="addConverterConfig()" aria-label="{{ 'action.add' | translate }}">
-                            <md-tooltip md-direction="top">
-                                {{ 'extension.add-config' | translate }}
-                            </md-tooltip>
                             <md-icon class="material-icons">add</md-icon>
-                            <span translate>action.add</span>
+                            <span translate>extension.add-config</span>
                         </md-button>
                     </div>
                 </v-pane-content>
diff --git a/ui/src/app/extension/extensions-forms/extension-form-mqtt.directive.js b/ui/src/app/extension/extensions-forms/extension-form-mqtt.directive.js
index 4101bb5..41e9aad 100644
--- a/ui/src/app/extension/extensions-forms/extension-form-mqtt.directive.js
+++ b/ui/src/app/extension/extensions-forms/extension-form-mqtt.directive.js
@@ -33,14 +33,22 @@ export default function ExtensionFormHttpDirective($compile, $templateCache, $tr
         scope.types = types;
         scope.theForm = scope.$parent.theForm;
 
-        scope.nameExpressions = {
+        scope.deviceNameExpressions = {
             deviceNameJsonExpression: "extension.converter-json",
             deviceNameTopicExpression: "extension.topic"
         };
-        scope.typeExpressions = {
+        scope.deviceTypeExpressions = {
             deviceTypeJsonExpression: "extension.converter-json",
             deviceTypeTopicExpression: "extension.topic"
         };
+        scope.attributeKeyExpressions = {
+            attributeKeyJsonExpression: "extension.converter-json",
+            attributeKeyTopicExpression: "extension.topic"
+        };
+        scope.requestIdExpressions = {
+            requestIdJsonExpression: "extension.converter-json",
+            requestIdTopicExpression: "extension.topic"
+        }
 
         scope.extensionCustomConverterOptions = {
             useWrapMode: false,
@@ -58,17 +66,7 @@ export default function ExtensionFormHttpDirective($compile, $templateCache, $tr
             }
         };
 
-
-        if(scope.isAdd) {
-            scope.brokers = [];
-            scope.config.brokers = scope.brokers;
-        } else {
-            scope.brokers = scope.config.brokers;
-        }
-
         scope.updateValidity = function () {
-            var valid = scope.brokers && scope.brokers.length > 0;
-            scope.theForm.$setValidity('brokers', valid);
             if(scope.brokers.length) {
                 for(let i=0;i<scope.brokers.length;i++) {
                     if(scope.brokers[i].credentials.type == scope.types.mqttCredentialTypes.pem.value) {
@@ -81,57 +79,116 @@ export default function ExtensionFormHttpDirective($compile, $templateCache, $tr
                     }
                 }
             }
-        }
+        };
 
         scope.$watch('brokers', function() {
             scope.updateValidity();
         }, true);
 
         scope.addBroker = function() {
-            var newBroker = {host:"localhost", port:1882, ssl:false, retryInterval:3000, credentials:{type:"anonymous"}, mapping:[]};
+            var newBroker = {
+                host: "localhost",
+                port: 1882,
+                ssl: false,
+                retryInterval: 3000,
+                credentials: {type:"anonymous"},
+                mapping: [],
+                connectRequests: [],
+                disconnectRequests: [],
+                attributeRequests: [],
+                attributeUpdates: [],
+                serverSideRpc: []
+            };
             scope.brokers.push(newBroker);
-        }
+        };
 
         scope.removeBroker = function(broker) {
             var index = scope.brokers.indexOf(broker);
             if (index > -1) {
                 scope.brokers.splice(index, 1);
             }
-            scope.theForm.$setDirty();
+        };
+
+        if(scope.isAdd) {
+            scope.brokers = [];
+            scope.config.brokers = scope.brokers;
+            scope.addBroker();
+        } else {
+            scope.brokers = scope.config.brokers;
         }
 
         scope.addMap = function(mapping) {
             var newMap = {topicFilter:"sensors", converter:{attributes:[],timeseries:[]}};
 
             mapping.push(newMap);
-        }
+        };
 
         scope.removeMap = function(map, mapping) {
             var index = mapping.indexOf(map);
             if (index > -1) {
                 mapping.splice(index, 1);
             }
-            scope.theForm.$setDirty();
-        }
+        };
 
         scope.addAttribute = function(attributes) {
             var newAttribute = {type:"", key:"", value:""};
             attributes.push(newAttribute);
-        }
+        };
 
         scope.removeAttribute = function(attribute, attributes) {
             var index = attributes.indexOf(attribute);
             if (index > -1) {
                 attributes.splice(index, 1);
             }
-            scope.theForm.$setDirty();
-        }
+        };
+
+        scope.addConnectRequest = function(requests, type) {
+            var newRequest = {};
+            if(type == "connect") {
+                newRequest.topicFilter = "sensors/connect";
+            } else {
+                newRequest.topicFilter = "sensors/disconnect";
+            }
+            requests.push(newRequest);
+        };
+
+        scope.addAttributeRequest = function(requests) {
+            var newRequest = {
+                topicFilter: "sensors/attributes",
+                clientScope: false,
+                responseTopicExpression: "sensors/${deviceName}/attributes/${responseId}",
+                valueExpression: "${attributeValue}"
+            };
+            requests.push(newRequest);
+        };
+
+        scope.addAttributeUpdate = function(updates) {
+            var newUpdate = {
+                deviceNameFilter: ".*",
+                attributeFilter: ".*",
+                topicExpression: "sensor/${deviceName}/${attributeKey}",
+                valueExpression: "{\"${attributeKey}\":\"${attributeValue}\"}"
+            }
+            updates.push(newUpdate);
+        };
+
+        scope.addServerSideRpc = function(rpcRequests) {
+            var newRpc = {
+                deviceNameFilter: ".*",
+                methodFilter: "echo",
+                requestTopicExpression: "sensor/${deviceName}/request/${methodName}/${requestId}",
+                responseTopicExpression: "sensor/${deviceName}/response/${methodName}/${requestId}",
+                responseTimeout: 10000,
+                valueExpression: "${params}"
+            };
+            rpcRequests.push(newRpc);
+        };
 
         scope.changeCredentials = function(broker) {
             var type = broker.credentials.type;
             broker.credentials = {};
             broker.credentials.type = type;
-        }
+        };
 
         scope.changeConverterType = function(map) {
             if(map.converterType == "custom"){
@@ -140,20 +197,32 @@ export default function ExtensionFormHttpDirective($compile, $templateCache, $tr
             if(map.converterType == "json") {
                 map.converter = {attributes:[],timeseries:[]};
             }
-        }
+        };
 
-        scope.changeNameExpression = function(converter) {
-            if(converter.nameExp == "deviceNameJsonExpression") {
-                if(converter.deviceNameTopicExpression) {
-                    delete converter.deviceNameTopicExpression;
+        scope.changeNameExpression = function(element, type) {
+            if(element.nameExp == "deviceNameJsonExpression") {
+                if(element.deviceNameTopicExpression) {
+                    delete element.deviceNameTopicExpression;
+                }
+                if(type) {
+                    element.deviceNameJsonExpression = "${$.serialNumber}";
                 }
             }
-            if(converter.nameExp == "deviceNameTopicExpression") {
-                if(converter.deviceNameJsonExpression) {
-                    delete converter.deviceNameJsonExpression;
+            if(element.nameExp == "deviceNameTopicExpression") {
+                if(element.deviceNameJsonExpression) {
+                    delete element.deviceNameJsonExpression;
+                }
+                if(type && type == "connect") {
+                    element.deviceNameTopicExpression = "(?<=sensor\\/)(.*?)(?=\\/connect)";
+                }
+                if(type && type == "disconnect") {
+                    element.deviceNameTopicExpression = "(?<=sensor\\/)(.*?)(?=\\/disconnect)";
+                }
+                if(type && type == "attribute") {
+                    element.deviceNameTopicExpression = "(?<=sensors\\/)(.*?)(?=\\/attributes)";
                 }
             }
-        }
+        };
 
         scope.changeTypeExpression = function(converter) {
             if(converter.typeExp == "deviceTypeJsonExpression") {
@@ -166,7 +235,37 @@ export default function ExtensionFormHttpDirective($compile, $templateCache, $tr
                     delete converter.deviceTypeJsonExpression;
                 }
             }
-        }
+        };
+
+        scope.changeAttrKeyExpression = function(request) {
+            if(request.attrKey == "attributeKeyJsonExpression") {
+                if(request.attributeKeyTopicExpression) {
+                    delete request.attributeKeyTopicExpression;
+                }
+                request.attributeKeyJsonExpression = "${$.key}";
+            }
+            if(request.attrKey == "attributeKeyTopicExpression") {
+                if(request.attributeKeyJsonExpression) {
+                    delete request.attributeKeyJsonExpression;
+                }
+                request.attributeKeyTopicExpression = "(?<=attributes\\/)(.*?)(?=\\/request)";
+            }
+        };
+
+        scope.changeRequestIdExpression = function(request) {
+            if(request.requestId == "requestIdJsonExpression") {
+                if(request.requestIdTopicExpression) {
+                    delete request.requestIdTopicExpression;
+                }
+                request.requestIdJsonExpression = "${$.requestId}";
+            }
+            if(request.requestId == "requestIdTopicExpression") {
+                if(request.requestIdJsonExpression) {
+                    delete request.requestIdJsonExpression;
+                }
+                request.requestIdTopicExpression = "(?<=request\\/)(.*?)($)";
+            }
+        };
 
         scope.validateCustomConverter = function(model, editorName) {
             if(model && model.length) {
@@ -177,7 +276,7 @@ export default function ExtensionFormHttpDirective($compile, $templateCache, $tr
                     scope.theForm[editorName].$setValidity('converterJSON', false);
                 }
             }
-        }
+        };
 
         scope.fileAdded = function($file, broker, fileType) {
             var reader = new FileReader();
@@ -204,7 +303,7 @@ export default function ExtensionFormHttpDirective($compile, $templateCache, $tr
                 });
             };
             reader.readAsDataURL($file.file);
-        }
+        };
 
         scope.clearFile = function(broker, fileType) {
             scope.theForm.$setDirty();
@@ -220,10 +319,10 @@ export default function ExtensionFormHttpDirective($compile, $templateCache, $tr
                 broker.credentials.certFileName = null;
                 broker.credentials.cert = null;
             }
-        }
+        };
 
         $compile(element.contents())(scope);
-    }
+    };
 
     return {
         restrict: "A",
diff --git a/ui/src/app/extension/extensions-forms/extension-form-mqtt.tpl.html b/ui/src/app/extension/extensions-forms/extension-form-mqtt.tpl.html
index 94ae789..7950c75 100644
--- a/ui/src/app/extension/extensions-forms/extension-form-mqtt.tpl.html
+++ b/ui/src/app/extension/extensions-forms/extension-form-mqtt.tpl.html
@@ -23,18 +23,15 @@
     </md-card-title>
     <md-card-content>
         <v-accordion id="mqtt-brokers-accordion" class="vAccordion--default">
-            <v-pane id="mqtt-brokers-pane" expanded="isAdd">
+            <v-pane id="mqtt-brokers-pane" expanded="true">
                 <v-pane-header>
                     {{ 'extension.brokers' | translate }}
                 </v-pane-header>
                 <v-pane-content>
-                    <div ng-if="brokers.length === 0">
-                        <span translate layout-align="center center" class="tb-prompt">extension.add-broker-prompt</span>
-                    </div>
                     <div ng-if="brokers.length > 0">
                         <ol class="list-group">
                             <li class="list-group-item" ng-repeat="(brokerIndex,broker) in brokers">
-                                <md-button aria-label="{{ 'action.remove' | translate }}" class="md-icon-button" ng-click="removeBroker(broker)">
+                                <md-button aria-label="{{ 'action.remove' | translate }}" class="md-icon-button" ng-click="removeBroker(broker)" ng-hide="brokers.length < 2">
                                     <ng-md-icon icon="close" aria-label="{{ 'action.remove' | translate }}"></ng-md-icon>
                                     <md-tooltip md-direction="top">
                                         {{ 'action.remove' | translate }}
@@ -47,7 +44,7 @@
                                                 <label translate>extension.port</label>
                                                 <input required type="number" min="1" max="65535" name="mqttPort_{{brokerIndex}}" ng-model="broker.port">
                                                 <div ng-messages="theForm['mqttPort_' + brokerIndex].$error">
-                                                    <div translate ng-message="required">extension.port-required</div>
+                                                    <div translate ng-message="required">extension.field-required</div>
                                                     <div translate ng-message="min">extension.port-range</div>
                                                     <div translate ng-message="max">extension.port-range</div>
                                                 </div>
@@ -56,7 +53,7 @@
                                                 <label translate>extension.host</label>
                                                 <input required name="mqttHost_{{brokerIndex}}" ng-model="broker.host">
                                                 <div ng-messages="theForm['mqttHost_' + brokerIndex].$error">
-                                                    <div translate ng-message="required">extension.host-required</div>
+                                                    <div translate ng-message="required">extension.field-required</div>
                                                 </div>
                                             </md-input-container>
                                         </section>
@@ -65,7 +62,7 @@
                                                 <label translate>extension.retry-interval</label>
                                                 <input required type="number" name="mqttRetryInterval_{{brokerIndex}}" ng-model="broker.retryInterval">
                                                 <div ng-messages="theForm['mqttRetryInterval_' + brokerIndex].$error">
-                                                    <div translate ng-message="required">extension.retry-interval-required</div>
+                                                    <div translate ng-message="required">extension.field-required</div>
                                                 </div>
                                             </md-input-container>
                                             <md-input-container flex="50" class="md-block">
@@ -76,30 +73,30 @@
                                                     </md-option>
                                                 </md-select>
                                             </md-input-container>
-                                            <md-input-container flex="10" class="md-block t-right">
+                                            <md-input-container flex="10" class="md-block">
                                                 <md-checkbox flex aria-label="{{ 'extension.ssl' | translate }}"
                                                              ng-model="broker.ssl">{{ 'extension.ssl' | translate }}
                                                 </md-checkbox>
                                             </md-input-container>
                                         </section>
                                         <section flex layout="row" ng-if='broker.credentials.type == "basic"'>
-                                            <md-input-container flex="40" class="md-block">
+                                            <md-input-container flex="40" class="md-block" md-is-error="theForm['mqttUsername_' + brokerIndex].$touched && theForm['mqttUsername_' + brokerIndex].$invalid">
                                                 <label translate>extension.username</label>
                                                 <input required name="mqttUsername_{{brokerIndex}}" ng-model="broker.credentials.username">
                                                 <div ng-messages="theForm['mqttUsername_' + brokerIndex].$error">
-                                                    <div translate ng-message="required">extension.username-required</div>
+                                                    <div translate ng-message="required">extension.field-required</div>
                                                 </div>
                                             </md-input-container>
-                                            <md-input-container flex="60" class="md-block">
+                                            <md-input-container flex="60" class="md-block" md-is-error="theForm['mqttPassword_' + brokerIndex].$touched && theForm['mqttPassword_' + brokerIndex].$invalid">
                                                 <label translate>extension.password</label>
                                                 <input required name="mqttPassword_{{brokerIndex}}" ng-model="broker.credentials.password">
                                                 <div ng-messages="theForm['mqttPassword_' + brokerIndex].$error">
-                                                    <div translate ng-message="required">extension.password-required</div>
+                                                    <div translate ng-message="required">extension.field-required</div>
                                                 </div>
                                             </md-input-container>
                                         </section>
-                                        <section flex layout="column" ng-if='broker.credentials.type == "cert.PEM"'>
-                                            <div class="tb-container">
+                                        <section flex layout="column" ng-if='broker.credentials.type == "cert.PEM"' class="dropdown-section">
+                                            <div class="tb-container" ng-class="broker.credentials.caCertFileName ? 'ng-valid' : 'ng-invalid'">
                                                 <label class="tb-label" translate>extension.ca-cert</label>
                                                 <div flow-init="{singleFile:true}" flow-file-added='fileAdded($file, broker, "caCert")' class="tb-file-select-container">
                                                     <div class="tb-file-clear-container">
@@ -120,7 +117,7 @@
                                                 <div ng-if="!broker.credentials.caCertFileName" class="tb-error-message" translate>extension.no-file</div>
                                                 <div ng-if="broker.credentials.caCertFileName">{{broker.credentials.caCertFileName}}</div>
                                             </div>
-                                            <div class="tb-container">
+                                            <div class="tb-container" ng-class="broker.credentials.privateKeyFileName ? 'ng-valid' : 'ng-invalid'">
                                                 <label class="tb-label" translate>extension.private-key</label>
                                                 <div flow-init="{singleFile:true}" flow-file-added='fileAdded($file, broker, "privateKey")' class="tb-file-select-container">
                                                     <div class="tb-file-clear-container">
@@ -182,7 +179,7 @@
                                                                 <md-card>
                                                                     <md-card-content>
                                                                         <section flex layout="row">
-                                                                            <md-input-container flex="40" class="md-block">
+                                                                            <md-input-container flex="40" class="md-block" md-is-error="theForm['mqttConverterType_' + brokerIndex + mapIndex].$touched && theForm['mqttConverterType_' + brokerIndex + mapIndex].$invalid">
                                                                                 <label translate>extension.converter-type</label>
                                                                                 <md-select required name="mqttConverterType_{{brokerIndex}}{{mapIndex}}" ng-model="map.converterType" ng-change="changeConverterType(map)">
                                                                                     <md-option ng-repeat="(converterType, value) in types.mqttConverterTypes" ng-value="converterType">
@@ -190,64 +187,70 @@
                                                                                     </md-option>
                                                                                 </md-select>
                                                                                 <div ng-messages="theForm['mqttConverterType_' + brokerIndex + mapIndex].$error">
-                                                                                    <div translate ng-message="required">extension.converter-type-required</div>
+                                                                                    <div translate ng-message="required">extension.field-required</div>
                                                                                 </div>
                                                                             </md-input-container>
                                                                             <md-input-container flex="60" class="md-block">
                                                                                 <label translate>extension.topic-filter</label>
                                                                                 <input required name="mqttTopicFilter_{{brokerIndex}}{{mapIndex}}" ng-model="map.topicFilter">
                                                                                 <div ng-messages="theForm['mqttTopicFilter_' + brokerIndex + mapIndex].$error">
-                                                                                    <div translate ng-message="required">extension.topic-filter-required</div>
+                                                                                    <div translate ng-message="required">extension.field-required</div>
                                                                                 </div>
                                                                             </md-input-container>
                                                                         </section>
 
                                                                         <div ng-if='map.converterType =="json"' ng-init="map.converter.type = 'json'">
                                                                             <section flex layout="row">
-                                                                                <md-input-container flex="40" class="md-block">
-                                                                                    <label translate>extension.name-expression</label>
+                                                                                <md-input-container flex="40" class="md-block" md-is-error="theForm['mqttDeviceNameExpression_' + brokerIndex + mapIndex].$touched && theForm['mqttDeviceNameExpression_' + brokerIndex + mapIndex].$invalid">
+                                                                                    <label translate>extension.device-name-expression</label>
                                                                                     <md-select required name="mqttDeviceNameExpression_{{brokerIndex}}{{mapIndex}}" ng-model="map.converter.nameExp" ng-change="changeNameExpression(map.converter)">
-                                                                                        <md-option ng-repeat="(key, value) in nameExpressions" ng-value='key'>
+                                                                                        <md-option ng-repeat="(key, value) in deviceNameExpressions" ng-value='key'>
                                                                                             {{value | translate}}
                                                                                         </md-option>
                                                                                     </md-select>
+                                                                                    <div ng-messages="theForm['mqttDeviceNameExpression_' + brokerIndex + mapIndex].$error">
+                                                                                        <div translate ng-message="required">extension.field-required</div>
+                                                                                    </div>
                                                                                 </md-input-container>
-                                                                                <md-input-container ng-if="map.converter.nameExp == 'deviceNameJsonExpression'" flex="60" class="md-block">
+                                                                                <md-input-container ng-if="map.converter.nameExp == 'deviceNameJsonExpression'" flex="60" class="md-block" md-is-error="theForm['mqttJsonNameExp_' + brokerIndex + mapIndex].$touched && theForm['mqttJsonNameExp_' + brokerIndex + mapIndex].$invalid">
                                                                                     <label translate>extension.json-name-expression</label>
                                                                                     <input required name="mqttJsonNameExp_{{brokerIndex}}{{mapIndex}}" ng-model="map.converter.deviceNameJsonExpression">
                                                                                     <div ng-messages="theForm['mqttJsonNameExp_' + brokerIndex + mapIndex].$error">
-                                                                                        <div translate ng-message="required">extension.json-name-expression-required</div>
+                                                                                        <div translate ng-message="required">extension.field-required</div>
                                                                                     </div>
                                                                                 </md-input-container>
-                                                                                <md-input-container ng-if="map.converter.nameExp == 'deviceNameTopicExpression'" flex="60" class="md-block">
+                                                                                <md-input-container ng-if="map.converter.nameExp == 'deviceNameTopicExpression'" flex="60" class="md-block" md-is-error="theForm['mqttTopicNameExp_' + brokerIndex + mapIndex].$touched && theForm['mqttTopicNameExp_' + brokerIndex + mapIndex].$invalid">
                                                                                     <label translate>extension.topic-name-expression</label>
                                                                                     <input required name="mqttTopicNameExp_{{brokerIndex}}{{mapIndex}}" ng-model="map.converter.deviceNameTopicExpression">
                                                                                     <div ng-messages="theForm['mqttTopicNameExp_' + brokerIndex + mapIndex].$error">
-                                                                                        <div translate ng-message="required">extension.topic-name-expression-required</div>
+                                                                                        <div translate ng-message="required">extension.field-required</div>
                                                                                     </div>
                                                                                 </md-input-container>
                                                                             </section>
                                                                             <section flex layout="row">
-                                                                                <md-input-container flex="40" class="md-block">
-                                                                                    <label translate>extension.type-expression</label>
+                                                                                <md-input-container flex="40" class="md-block" md-is-error="theForm['mqttDeviceTypeExpression_' + brokerIndex + mapIndex].$touched && theForm['mqttDeviceTypeExpression_' + brokerIndex + mapIndex].$invalid">
+                                                                                    <label translate>extension.device-type-expression</label>
                                                                                     <md-select required name="mqttDeviceTypeExpression_{{brokerIndex}}{{mapIndex}}" ng-model="map.converter.typeExp" ng-change="changeTypeExpression(map.converter)">
-                                                                                        <md-option ng-repeat="(key, value) in typeExpressions" ng-value='key'>
+                                                                                        <md-option ng-repeat="(key, value) in deviceTypeExpressions" ng-value='key'>
                                                                                             {{value | translate}}
                                                                                         </md-option>
                                                                                     </md-select>
+                                                                                    <div ng-messages="theForm['mqttDeviceTypeExpression_' + brokerIndex + mapIndex].$error">
+                                                                                        <div translate ng-message="required">extension.field-required</div>
+                                                                                    </div>
                                                                                 </md-input-container>
-                                                                                <md-input-container ng-if="map.converter.typeExp == 'deviceTypeJsonExpression'" flex="60" class="md-block">
+                                                                                <md-input-container ng-if="map.converter.typeExp == 'deviceTypeJsonExpression'" flex="60" class="md-block" md-is-error="theForm['mqttJsonTypeExp_' + brokerIndex + mapIndex].$touched && theForm['mqttJsonTypeExp_' + brokerIndex + mapIndex].$invalid">
                                                                                     <label translate>extension.json-type-expression</label>
                                                                                     <input required name="mqttJsonTypeExp_{{brokerIndex}}{{mapIndex}}" ng-model="map.converter.deviceTypeJsonExpression">
                                                                                     <div ng-messages="theForm['mqttJsonTypeExp_' + brokerIndex + mapIndex].$error">
-                                                                                        <div translate ng-message="required">extension.json-type-expression-required</div>
+                                                                                        <div translate ng-message="required">extension.field-required</div>
                                                                                     </div>
                                                                                 </md-input-container>
-                                                                                <md-input-container ng-if="map.converter.typeExp == 'deviceTypeTopicExpression'" flex="60" class="md-block">
+                                                                                <md-input-container ng-if="map.converter.typeExp == 'deviceTypeTopicExpression'" flex="60" class="md-block" md-is-error="theForm['mqttTopicTypeExp_' + brokerIndex + mapIndex].$touched && theForm['mqttTopicTypeExp_' + brokerIndex + mapIndex].$invalid">
                                                                                     <label translate>extension.topic-type-expression</label>
                                                                                     <input required name="mqttTopicTypeExp_{{brokerIndex}}{{mapIndex}}" ng-model="map.converter.deviceTypeTopicExpression">
                                                                                     <div ng-messages="theForm['mqttTopicTypeExp_' + brokerIndex + mapIndex].$error">
-                                                                                        <div translate ng-message="required">extension.topic-type-expression-required</div>
+                                                                                        <div translate ng-message="required">extension.field-required</div>
                                                                                     </div>
                                                                                 </md-input-container>
                                                                             </section>
@@ -256,11 +259,11 @@
                                                                                     <label translate>extension.timeout</label>
                                                                                     <input type="number" name="mqttTimeout_{{brokerIndex}}{{mapIndex}}" ng-model="map.converter.timeout" parse-to-null>
                                                                                 </md-input-container>
-                                                                                <md-input-container flex="60" class="md-block">
+                                                                                <md-input-container flex="60" class="md-block" md-is-error="theForm['mqttFilterExpression' + brokerIndex + mapIndex].$touched && theForm['mqttFilterExpression' + brokerIndex + mapIndex].$invalid">
                                                                                     <label translate>extension.filter-expression</label>
                                                                                     <input required name="mqttFilterExpression{{brokerIndex}}{{mapIndex}}" ng-model="map.converter.filterExpression">
                                                                                     <div ng-messages="theForm['mqttFilterExpression' + brokerIndex + mapIndex].$error">
-                                                                                        <div translate ng-message="required">extension.filter-expression-required</div>
+                                                                                        <div translate ng-message="required">extension.field-required</div>
                                                                                     </div>
                                                                                 </md-input-container>
                                                                             </section>
@@ -301,14 +304,14 @@
                                                                                                 <md-card>
                                                                                                     <md-card-content>
                                                                                                         <section flex layout="row">
-                                                                                                            <md-input-container flex="60" class="md-block">
+                                                                                                            <md-input-container flex="60" class="md-block" md-is-error="theForm['mqttAttributeKey_' + brokerIndex + mapIndex + attributeIndex].$touched && theForm['mqttAttributeKey_' + brokerIndex + mapIndex + attributeIndex].$invalid">
                                                                                                                 <label translate>extension.key</label>
                                                                                                                 <input required name="mqttAttributeKey_{{brokerIndex}}{{mapIndex}}{{attributeIndex}}" ng-model="attribute.key">
                                                                                                                 <div ng-messages="theForm['mqttAttributeKey_' + brokerIndex + mapIndex + attributeIndex].$error">
-                                                                                                                    <div translate ng-message="required">extension.required-key</div>
+                                                                                                                    <div translate ng-message="required">extension.field-required</div>
                                                                                                                 </div>
                                                                                                             </md-input-container>
-                                                                                                            <md-input-container flex="40" class="md-block">
+                                                                                                            <md-input-container flex="40" class="md-block" md-is-error="theForm['mqttAttributeType_' + brokerIndex + mapIndex + attributeIndex].$touched && theForm['mqttAttributeType_' + brokerIndex + mapIndex + attributeIndex].$invalid">
                                                                                                                 <label translate>extension.type</label>
                                                                                                                 <md-select required name="mqttAttributeType_{{brokerIndex}}{{mapIndex}}{{attributeIndex}}" ng-model="attribute.type">
                                                                                                                     <md-option ng-repeat="(attrType, attrTypeValue) in types.extensionValueType" ng-value="attrType">
@@ -316,15 +319,15 @@
                                                                                                                     </md-option>
                                                                                                                 </md-select>
                                                                                                                 <div ng-messages="theForm['mqttAttributeType_' + brokerIndex + mapIndex + attributeIndex].$error">
-                                                                                                                    <div translate ng-message="required">extension.required-type</div>
+                                                                                                                    <div translate ng-message="required">extension.field-required</div>
                                                                                                                 </div>
                                                                                                             </md-input-container>
                                                                                                         </section>
-                                                                                                        <md-input-container class="md-block">
+                                                                                                        <md-input-container class="md-block" md-is-error="theForm['mqttAttributeValue_' + brokerIndex + mapIndex + attributeIndex].$touched && theForm['mqttAttributeValue_' + brokerIndex + mapIndex + attributeIndex].$invalid">
                                                                                                             <label translate>extension.value</label>
                                                                                                             <input required name="mqttAttributeValue_{{brokerIndex}}{{mapIndex}}{{attributeIndex}}" ng-model="attribute.value">
                                                                                                             <div ng-messages="theForm['mqttAttributeValue_' + brokerIndex + mapIndex + attributeIndex].$error">
-                                                                                                                <div translate ng-message="required">extension.required-value</div>
+                                                                                                                <div translate ng-message="required">extension.field-required</div>
                                                                                                             </div>
                                                                                                         </md-input-container>
                                                                                                     </md-card-content>
@@ -335,11 +338,8 @@
                                                                                     <div flex layout="row" layout-align="start center">
                                                                                         <md-button class="md-primary md-raised"
                                                                                                    ng-click="addAttribute(map.converter.attributes)" aria-label="{{ 'action.add' | translate }}">
-                                                                                            <md-tooltip md-direction="top">
-                                                                                                {{ 'extension.add-attribute' | translate }}
-                                                                                            </md-tooltip>
                                                                                             <md-icon class="material-icons">add</md-icon>
-                                                                                            <span translate>action.add</span>
+                                                                                            <span translate>extension.add-attribute</span>
                                                                                         </md-button>
                                                                                     </div>
                                                                                 </v-pane-content>
@@ -364,14 +364,14 @@
                                                                                                 <md-card>
                                                                                                     <md-card-content>
                                                                                                         <section flex layout="row">
-                                                                                                            <md-input-container flex="60" class="md-block">
+                                                                                                            <md-input-container flex="60" class="md-block" md-is-error="theForm['mqttTimeseriesKey_' + brokerIndex + mapIndex + timeseriesIndex].$touched && theForm['mqttTimeseriesKey_' + brokerIndex + mapIndex + timeseriesIndex].$invalid">
                                                                                                                 <label translate>extension.key</label>
                                                                                                                 <input required name="mqttTimeseriesKey_{{brokerIndex}}{{mapIndex}}{{timeseriesIndex}}" ng-model="timeseries.key">
-                                                                                                                <div ng-messages="theForm['mqtTtimeseriesKey_' + brokerIndex + mapIndex + timeseriesIndex].$error">
-                                                                                                                    <div translate ng-message="required">extension.required-key</div>
+                                                                                                                <div ng-messages="theForm['mqttTimeseriesKey_' + brokerIndex + mapIndex + timeseriesIndex].$error">
+                                                                                                                    <div translate ng-message="required">extension.field-required</div>
                                                                                                                 </div>
                                                                                                             </md-input-container>
-                                                                                                            <md-input-container flex="40" class="md-block">
+                                                                                                            <md-input-container flex="40" class="md-block" md-is-error="theForm['mqttTimeseriesType_' + brokerIndex + mapIndex + timeseriesIndex].$touched && theForm['mqttTimeseriesType_' + brokerIndex + mapIndex + timeseriesIndex].$invalid">
                                                                                                                 <label translate>extension.type</label>
                                                                                                                 <md-select required name="mqttTimeseriesType_{{brokerIndex}}{{mapIndex}}{{timeseriesIndex}}" ng-model="timeseries.type">
                                                                                                                     <md-option ng-repeat="(attrType, attrTypeValue) in types.extensionValueType" ng-value="attrType">
@@ -379,15 +379,15 @@
                                                                                                                     </md-option>
                                                                                                                 </md-select>
                                                                                                                 <div ng-messages="theForm['mqttTimeseriesType_' + brokerIndex + mapIndex + timeseriesIndex].$error">
-                                                                                                                    <div translate ng-message="required">extension.required-type</div>
+                                                                                                                    <div translate ng-message="required">extension.field-required</div>
                                                                                                                 </div>
                                                                                                             </md-input-container>
                                                                                                         </section>
-                                                                                                        <md-input-container class="md-block">
+                                                                                                        <md-input-container class="md-block" md-is-error="theForm['mqttTimeseriesValue_' + brokerIndex + mapIndex + timeseriesIndex].$touched && theForm['mqttTimeseriesValue_' + brokerIndex + mapIndex + timeseriesIndex].$invalid">
                                                                                                             <label translate>extension.value</label>
                                                                                                             <input required name="mqttTimeseriesValue_{{brokerIndex}}{{mapIndex}}{{timeseriesIndex}}" ng-model="timeseries.value">
                                                                                                             <div ng-messages="theForm['mqttTimeseriesValue_' + brokerIndex + mapIndex + timeseriesIndex].$error">
-                                                                                                                <div translate ng-message="required">extension.required-value</div>
+                                                                                                                <div translate ng-message="required">extension.field-required</div>
                                                                                                             </div>
                                                                                                         </md-input-container>
                                                                                                     </md-card-content>
@@ -398,11 +398,8 @@
                                                                                     <div flex layout="row" layout-align="start center">
                                                                                         <md-button class="md-primary md-raised"
                                                                                                    ng-click="addAttribute(map.converter.timeseries)" aria-label="{{ 'action.add' | translate }}">
-                                                                                            <md-tooltip md-direction="top">
-                                                                                                {{ 'extension.add-timeseries' | translate }}
-                                                                                            </md-tooltip>
                                                                                             <md-icon class="material-icons">add</md-icon>
-                                                                                            <span translate>action.add</span>
+                                                                                            <span translate>extension.add-timeseries</span>
                                                                                         </md-button>
                                                                                     </div>
                                                                                 </v-pane-content>
@@ -417,16 +414,429 @@
                                                     <div flex layout="row" layout-align="start center">
                                                         <md-button class="md-primary md-raised"
                                                                    ng-click="addMap(broker.mapping)" aria-label="{{ 'action.add' | translate }}">
-                                                            <md-tooltip md-direction="top">
-                                                                {{ 'extension.add-map' | translate }}
-                                                            </md-tooltip>
                                                             <md-icon class="material-icons">add</md-icon>
-                                                            <span translate>action.add</span>
+                                                            <span translate>extension.add-map</span>
+                                                        </md-button>
+                                                    </div>
+                                                </v-pane-content>
+                                            </v-pane>
+                                        </v-accordion>
+
+                                        <v-accordion id="mqtt-connect-requests-accordion" class="vAccordion--default">
+                                            <v-pane id="mqtt-connect-requests-pane">
+                                                <v-pane-header>
+                                                    {{ 'extension.connect-requests' | translate }}
+                                                </v-pane-header>
+                                                <v-pane-content>
+                                                    <div ng-if="broker.connectRequests.length > 0">
+                                                        <ol class="list-group">
+                                                            <li class="list-group-item" ng-repeat="(connectRequestIndex, connectRequest) in broker.connectRequests">
+                                                                <md-button aria-label="{{ 'action.remove' | translate }}" class="md-icon-button" ng-click="removeAttribute(connectRequest, broker.connectRequests)">
+                                                                    <ng-md-icon icon="close" aria-label="{{ 'action.remove' | translate }}"></ng-md-icon>
+                                                                    <md-tooltip md-direction="top">
+                                                                        {{ 'action.remove' | translate }}
+                                                                    </md-tooltip>
+                                                                </md-button>
+                                                                <md-card>
+                                                                    <md-card-content>
+                                                                        <md-input-container class="md-block">
+                                                                            <label translate>extension.topic-filter</label>
+                                                                            <input required name="conRequestTopicFilter_{{brokerIndex}}{{connectRequestIndex}}" ng-model="connectRequest.topicFilter">
+                                                                            <div ng-messages="theForm['conRequestTopicFilter_' + brokerIndex + connectRequestIndex].$error">
+                                                                                <div translate ng-message="required">extension.field-required</div>
+                                                                            </div>
+                                                                        </md-input-container>
+                                                                        <section flex layout="row">
+                                                                            <md-input-container flex="40" class="md-block" md-is-error="theForm['connectDeviceNameExpression_' + brokerIndex + connectRequestIndex].$touched && theForm['connectDeviceNameExpression_' + brokerIndex + connectRequestIndex].$invalid">
+                                                                                <label translate>extension.device-name-expression</label>
+                                                                                <md-select required name="connectDeviceNameExpression_{{brokerIndex}}{{connectRequestIndex}}" ng-model="connectRequest.nameExp" ng-change="changeNameExpression(connectRequest, 'connect')">
+                                                                                    <md-option ng-repeat="(key, value) in deviceNameExpressions" ng-value='key'>
+                                                                                        {{value | translate}}
+                                                                                    </md-option>
+                                                                                </md-select>
+                                                                                <div ng-messages="theForm['connectDeviceNameExpression_' + brokerIndex + connectRequestIndex].$error">
+                                                                                    <div translate ng-message="required">extension.field-required</div>
+                                                                                </div>
+                                                                            </md-input-container>
+                                                                            <md-input-container ng-if="connectRequest.nameExp == 'deviceNameJsonExpression'" flex="60" class="md-block">
+                                                                                <label translate>extension.json-name-expression</label>
+                                                                                <input required name="connectJsonNameExp_{{brokerIndex}}{{connectRequestIndex}}" ng-model="connectRequest.deviceNameJsonExpression">
+                                                                                <div ng-messages="theForm['connectJsonNameExp_' + brokerIndex + connectRequestIndex].$error">
+                                                                                    <div translate ng-message="required">extension.field-required</div>
+                                                                                </div>
+                                                                            </md-input-container>
+                                                                            <md-input-container ng-if="connectRequest.nameExp == 'deviceNameTopicExpression'" flex="60" class="md-block">
+                                                                                <label translate>extension.topic-name-expression</label>
+                                                                                <input required name="connectTopicNameExp_{{brokerIndex}}{{connectRequestIndex}}" ng-model="connectRequest.deviceNameTopicExpression">
+                                                                                <div ng-messages="theForm['connectTopicNameExp_' + brokerIndex + connectRequestIndex].$error">
+                                                                                    <div translate ng-message="required">extension.field-required</div>
+                                                                                </div>
+                                                                            </md-input-container>
+                                                                        </section>
+                                                                    </md-card-content>
+                                                                </md-card>
+                                                            </li>
+                                                        </ol>
+                                                    </div>
+                                                    <div flex layout="row" layout-align="start center">
+                                                        <md-button class="md-primary md-raised"
+                                                                   ng-click='addConnectRequest(broker.connectRequests, "connect")' aria-label="{{ 'action.add' | translate }}">
+                                                            <md-icon class="material-icons">add</md-icon>
+                                                            <span translate>extension.add-connect-request</span>
+                                                        </md-button>
+                                                    </div>
+                                                </v-pane-content>
+                                            </v-pane>
+                                        </v-accordion>
+
+                                        <v-accordion id="mqtt-disconnect-requests-accordion" class="vAccordion--default">
+                                            <v-pane id="mqtt-disconnect-requests-pane">
+                                                <v-pane-header>
+                                                    {{ 'extension.disconnect-requests' | translate }}
+                                                </v-pane-header>
+                                                <v-pane-content>
+                                                    <div ng-if="broker.disconnectRequests.length > 0">
+                                                        <ol class="list-group">
+                                                            <li class="list-group-item" ng-repeat="(disconnectRequestIndex, disconnectRequest) in broker.disconnectRequests">
+                                                                <md-button aria-label="{{ 'action.remove' | translate }}" class="md-icon-button" ng-click="removeAttribute(disconnectRequest, broker.disconnectRequests)">
+                                                                    <ng-md-icon icon="close" aria-label="{{ 'action.remove' | translate }}"></ng-md-icon>
+                                                                    <md-tooltip md-direction="top">
+                                                                        {{ 'action.remove' | translate }}
+                                                                    </md-tooltip>
+                                                                </md-button>
+                                                                <md-card>
+                                                                    <md-card-content>
+                                                                        <md-input-container class="md-block">
+                                                                            <label translate>extension.topic-filter</label>
+                                                                            <input required name="disconRequestTopicFilter_{{brokerIndex}}{{disconnectRequestIndex}}" ng-model="disconnectRequest.topicFilter">
+                                                                            <div ng-messages="theForm['disconRequestTopicFilter_' + brokerIndex + disconnectRequestIndex].$error">
+                                                                                <div translate ng-message="required">extension.field-required</div>
+                                                                            </div>
+                                                                        </md-input-container>
+                                                                        <section flex layout="row">
+                                                                            <md-input-container flex="40" class="md-block" md-is-error="theForm['disconnectDeviceNameExpression_' + brokerIndex + disconnectRequestIndex].$touched && theForm['disconnectDeviceNameExpression_' + brokerIndex + disconnectRequestIndex].$invalid">
+                                                                                <label translate>extension.device-name-expression</label>
+                                                                                <md-select required name="disconnectDeviceNameExpression_{{brokerIndex}}{{disconnectRequestIndex}}" ng-model="disconnectRequest.nameExp" ng-change="changeNameExpression(disconnectRequest, 'disconnect')">
+                                                                                    <md-option ng-repeat="(key, value) in deviceNameExpressions" ng-value='key'>
+                                                                                        {{value | translate}}
+                                                                                    </md-option>
+                                                                                </md-select>
+                                                                                <div ng-messages="theForm['disconnectDeviceNameExpression_' + brokerIndex + disconnectRequestIndex].$error">
+                                                                                    <div translate ng-message="required">extension.field-required</div>
+                                                                                </div>
+                                                                            </md-input-container>
+                                                                            <md-input-container ng-if="disconnectRequest.nameExp == 'deviceNameJsonExpression'" flex="60" class="md-block">
+                                                                                <label translate>extension.json-name-expression</label>
+                                                                                <input required name="disconnectJsonNameExp_{{brokerIndex}}{{disconnectRequestIndex}}" ng-model="disconnectRequest.deviceNameJsonExpression">
+                                                                                <div ng-messages="theForm['disconnectJsonNameExp_' + brokerIndex + disconnectRequestIndex].$error">
+                                                                                    <div translate ng-message="required">extension.field-required</div>
+                                                                                </div>
+                                                                            </md-input-container>
+                                                                            <md-input-container ng-if="disconnectRequest.nameExp == 'deviceNameTopicExpression'" flex="60" class="md-block">
+                                                                                <label translate>extension.topic-name-expression</label>
+                                                                                <input required name="disconnectTopicNameExp_{{brokerIndex}}{{disconnectRequestIndex}}" ng-model="disconnectRequest.deviceNameTopicExpression">
+                                                                                <div ng-messages="theForm['disconnectTopicNameExp_' + brokerIndex + disconnectRequestIndex].$error">
+                                                                                    <div translate ng-message="required">extension.field-required</div>
+                                                                                </div>
+                                                                            </md-input-container>
+                                                                        </section>
+                                                                    </md-card-content>
+                                                                </md-card>
+                                                            </li>
+                                                        </ol>
+                                                    </div>
+                                                    <div flex layout="row" layout-align="start center">
+                                                        <md-button class="md-primary md-raised"
+                                                                   ng-click='addConnectRequest(broker.disconnectRequests, "disconnect")' aria-label="{{ 'action.add' | translate }}">
+                                                            <md-icon class="material-icons">add</md-icon>
+                                                            <span translate>extension.add-disconnect-request</span>
                                                         </md-button>
                                                     </div>
                                                 </v-pane-content>
                                             </v-pane>
                                         </v-accordion>
+
+                                        <v-accordion id="mqtt-attribute-requests-accordion" class="vAccordion--default">
+                                            <v-pane id="mqtt-attribute-requests-pane">
+                                                <v-pane-header>
+                                                    {{ 'extension.attribute-requests' | translate }}
+                                                </v-pane-header>
+                                                <v-pane-content>
+                                                    <div ng-if="broker.attributeRequests.length > 0">
+                                                        <ol class="list-group">
+                                                            <li class="list-group-item" ng-repeat="(attributeRequestIndex, attributeRequest) in broker.attributeRequests">
+                                                                <md-button aria-label="{{ 'action.remove' | translate }}" class="md-icon-button" ng-click="removeAttribute(attributeRequest, broker.attributeRequests)">
+                                                                    <ng-md-icon icon="close" aria-label="{{ 'action.remove' | translate }}"></ng-md-icon>
+                                                                    <md-tooltip md-direction="top">
+                                                                        {{ 'action.remove' | translate }}
+                                                                    </md-tooltip>
+                                                                </md-button>
+                                                                <md-card>
+                                                                    <md-card-content>
+                                                                        <section flex layout="row">
+                                                                            <md-input-container flex="80" class="md-block">
+                                                                                <label translate>extension.topic-filter</label>
+                                                                                <input required name="attributeRequestTopicFilter_{{brokerIndex}}{{attributeRequestIndex}}" ng-model="attributeRequest.topicFilter">
+                                                                                <div ng-messages="theForm['attributeRequestTopicFilter_' + brokerIndex + attributeRequestIndex].$error">
+                                                                                    <div translate ng-message="required">extension.field-required</div>
+                                                                                </div>
+                                                                            </md-input-container>
+                                                                            <md-input-container flex="20" class="md-block">
+                                                                                <md-checkbox flex aria-label="{{ 'extension.client-scope' | translate }}"
+                                                                                             ng-model="attributeRequest.clientScope">{{ 'extension.client-scope' | translate }}
+                                                                                </md-checkbox>
+                                                                            </md-input-container>
+                                                                        </section>
+                                                                        <section flex layout="row">
+                                                                            <md-input-container flex="40" class="md-block" md-is-error="theForm['attrRequestDeviceNameExpression_' + brokerIndex + attributeRequestIndex].$touched && theForm['attrRequestDeviceNameExpression_' + brokerIndex + attributeRequestIndex].$invalid">
+                                                                                <label translate>extension.device-name-expression</label>
+                                                                                <md-select required name="attrRequestDeviceNameExpression_{{brokerIndex}}{{attributeRequestIndex}}" ng-model="attributeRequest.nameExp" ng-change="changeNameExpression(attributeRequest, 'attribute')">
+                                                                                    <md-option ng-repeat="(key, value) in deviceNameExpressions" ng-value='key'>
+                                                                                        {{value | translate}}
+                                                                                    </md-option>
+                                                                                </md-select>
+                                                                                <div ng-messages="theForm['attrRequestDeviceNameExpression_' + brokerIndex + attributeRequestIndex].$error">
+                                                                                    <div translate ng-message="required">extension.field-required</div>
+                                                                                </div>
+                                                                            </md-input-container>
+                                                                            <md-input-container ng-if="attributeRequest.nameExp == 'deviceNameJsonExpression'" flex="60" class="md-block">
+                                                                                <label translate>extension.json-name-expression</label>
+                                                                                <input required name="attrRequestJsonNameExp_{{brokerIndex}}{{attributeRequestIndex}}" ng-model="attributeRequest.deviceNameJsonExpression">
+                                                                                <div ng-messages="theForm['attrRequestJsonNameExp_' + brokerIndex + attributeRequestIndex].$error">
+                                                                                    <div translate ng-message="required">extension.field-required</div>
+                                                                                </div>
+                                                                            </md-input-container>
+                                                                            <md-input-container ng-if="attributeRequest.nameExp == 'deviceNameTopicExpression'" flex="60" class="md-block">
+                                                                                <label translate>extension.topic-name-expression</label>
+                                                                                <input required name="attrRequestTopicNameExp_{{brokerIndex}}{{attributeRequestIndex}}" ng-model="attributeRequest.deviceNameTopicExpression">
+                                                                                <div ng-messages="theForm['attrRequestTopicNameExp_' + brokerIndex + attributeRequestIndex].$error">
+                                                                                    <div translate ng-message="required">extension.field-required</div>
+                                                                                </div>
+                                                                            </md-input-container>
+                                                                        </section>
+
+                                                                        <section flex layout="row">
+                                                                            <md-input-container flex="40" class="md-block" md-is-error="theForm['attrRequestAttributeKeyExpression_' + brokerIndex + attributeRequestIndex].$touched && theForm['attrRequestAttributeKeyExpression_' + brokerIndex + attributeRequestIndex].$invalid">
+                                                                                <label translate>extension.attribute-key-expression</label>
+                                                                                <md-select required name="attrRequestAttributeKeyExpression_{{brokerIndex}}{{attributeRequestIndex}}" ng-model="attributeRequest.attrKey" ng-change="changeAttrKeyExpression(attributeRequest)">
+                                                                                    <md-option ng-repeat="(key, value) in attributeKeyExpressions" ng-value='key'>
+                                                                                        {{value | translate}}
+                                                                                    </md-option>
+                                                                                </md-select>
+                                                                                <div ng-messages="theForm['attrRequestAttributeKeyExpression_' + brokerIndex + attributeRequestIndex].$error">
+                                                                                    <div translate ng-message="required">extension.field-required</div>
+                                                                                </div>
+                                                                            </md-input-container>
+                                                                            <md-input-container ng-if="attributeRequest.attrKey == 'attributeKeyJsonExpression'" flex="60" class="md-block">
+                                                                                <label translate>extension.attr-json-key-expression</label>
+                                                                                <input required name="attrRequestJsonKeyExp_{{brokerIndex}}{{attributeRequestIndex}}" ng-model="attributeRequest.attributeKeyJsonExpression">
+                                                                                <div ng-messages="theForm['attrRequestJsonKeyExp_' + brokerIndex + attributeRequestIndex].$error">
+                                                                                    <div translate ng-message="required">extension.field-required</div>
+                                                                                </div>
+                                                                            </md-input-container>
+                                                                            <md-input-container ng-if="attributeRequest.attrKey == 'attributeKeyTopicExpression'" flex="60" class="md-block">
+                                                                                <label translate>extension.attr-topic-key-expression</label>
+                                                                                <input required name="attrRequestTopicKeyExp_{{brokerIndex}}{{attributeRequestIndex}}" ng-model="attributeRequest.attributeKeyTopicExpression">
+                                                                                <div ng-messages="theForm['attrRequestTopicKeyExp_' + brokerIndex + attributeRequestIndex].$error">
+                                                                                    <div translate ng-message="required">extension.field-required</div>
+                                                                                </div>
+                                                                            </md-input-container>
+                                                                        </section>
+
+                                                                        <section flex layout="row">
+                                                                            <md-input-container flex="40" class="md-block" md-is-error="theForm['attrRequestIdExpression_' + brokerIndex + attributeRequestIndex].$touched && theForm['attrRequestIdExpression_' + brokerIndex + attributeRequestIndex].$invalid">
+                                                                                <label translate>extension.request-id-expression</label>
+                                                                                <md-select required name="attrRequestIdExpression_{{brokerIndex}}{{attributeRequestIndex}}" ng-model="attributeRequest.requestId" ng-change="changeRequestIdExpression(attributeRequest)">
+                                                                                    <md-option ng-repeat="(key, value) in requestIdExpressions" ng-value='key'>
+                                                                                        {{value | translate}}
+                                                                                    </md-option>
+                                                                                </md-select>
+                                                                                <div ng-messages="theForm['attrRequestIdExpression_' + brokerIndex + attributeRequestIndex].$error">
+                                                                                    <div translate ng-message="required">extension.field-required</div>
+                                                                                </div>
+                                                                            </md-input-container>
+                                                                            <md-input-container ng-if="attributeRequest.requestId == 'requestIdJsonExpression'" flex="60" class="md-block">
+                                                                                <label translate>extension.request-id-json-expression</label>
+                                                                                <input required name="attrRequestJsonIdExp_{{brokerIndex}}{{attributeRequestIndex}}" ng-model="attributeRequest.requestIdJsonExpression">
+                                                                                <div ng-messages="theForm['attrRequestJsonIdExp_' + brokerIndex + attributeRequestIndex].$error">
+                                                                                    <div translate ng-message="required">extension.field-required</div>
+                                                                                </div>
+                                                                            </md-input-container>
+                                                                            <md-input-container ng-if="attributeRequest.requestId == 'requestIdTopicExpression'" flex="60" class="md-block">
+                                                                                <label translate>extension.request-id-topic-expression</label>
+                                                                                <input required name="attrRequestTopicIdExp_{{brokerIndex}}{{attributeRequestIndex}}" ng-model="attributeRequest.requestIdTopicExpression">
+                                                                                <div ng-messages="theForm['attrRequestTopicIdExp_' + brokerIndex + attributeRequestIndex].$error">
+                                                                                    <div translate ng-message="required">extension.field-required</div>
+                                                                                </div>
+                                                                            </md-input-container>
+                                                                        </section>
+
+                                                                        <md-input-container class="md-block">
+                                                                            <label translate>extension.response-topic-expression</label>
+                                                                            <input required name="attributeRequestResponseTopicExp_{{brokerIndex}}{{attributeRequestIndex}}" ng-model="attributeRequest.responseTopicExpression">
+                                                                            <div ng-messages="theForm['attributeRequestResponseTopicExp_' + brokerIndex + attributeRequestIndex].$error">
+                                                                                <div translate ng-message="required">extension.field-required</div>
+                                                                            </div>
+                                                                        </md-input-container>
+                                                                        <md-input-container class="md-block">
+                                                                            <label translate>extension.value-expression</label>
+                                                                            <input required name="attributeRequestValueExp_{{brokerIndex}}{{attributeRequestIndex}}" ng-model="attributeRequest.valueExpression">
+                                                                            <div ng-messages="theForm['attributeRequestValueExp_' + brokerIndex + attributeRequestIndex].$error">
+                                                                                <div translate ng-message="required">extension.field-required</div>
+                                                                            </div>
+                                                                        </md-input-container>
+                                                                    </md-card-content>
+                                                                </md-card>
+                                                            </li>
+                                                        </ol>
+                                                    </div>
+                                                    <div flex layout="row" layout-align="start center">
+                                                        <md-button class="md-primary md-raised"
+                                                                   ng-click="addAttributeRequest(broker.attributeRequests)" aria-label="{{ 'action.add' | translate }}">
+                                                            <md-icon class="material-icons">add</md-icon>
+                                                            <span translate>extension.add-attribute-request</span>
+                                                        </md-button>
+                                                    </div>
+                                                </v-pane-content>
+                                            </v-pane>
+                                        </v-accordion>
+
+                                        <v-accordion id="mqtt-attribute-updates-accordion" class="vAccordion--default">
+                                            <v-pane id="mqtt-attribute-updates-pane">
+                                                <v-pane-header>
+                                                    {{ 'extension.attribute-updates' | translate }}
+                                                </v-pane-header>
+                                                <v-pane-content>
+                                                    <div ng-if="broker.attributeUpdates.length > 0">
+                                                        <ol class="list-group">
+                                                            <li class="list-group-item" ng-repeat="(attributeUpdateIndex, attributeUpdate) in broker.attributeUpdates">
+                                                                <md-button aria-label="{{ 'action.remove' | translate }}" class="md-icon-button" ng-click="removeAttribute(attributeUpdate, broker.attributeUpdates)">
+                                                                    <ng-md-icon icon="close" aria-label="{{ 'action.remove' | translate }}"></ng-md-icon>
+                                                                    <md-tooltip md-direction="top">
+                                                                        {{ 'action.remove' | translate }}
+                                                                    </md-tooltip>
+                                                                </md-button>
+                                                                <md-card>
+                                                                    <md-card-content>
+                                                                        <section flex layout="row">
+                                                                            <md-input-container flex="50" class="md-block">
+                                                                                <label translate>extension.device-name-filter</label>
+                                                                                <input required name="attributeUpdateDeviceNameFilter_{{brokerIndex}}{{attributeUpdateIndex}}" ng-model="attributeUpdate.deviceNameFilter">
+                                                                                <div ng-messages="theForm['attributeUpdateDeviceNameFilter_' + brokerIndex + attributeUpdateIndex].$error">
+                                                                                    <div translate ng-message="required">extension.field-required</div>
+                                                                                </div>
+                                                                            </md-input-container>
+                                                                            <md-input-container flex="50" class="md-block">
+                                                                                <label translate>extension.attribute-filter</label>
+                                                                                <input required name="attributeUpdateAttributeFilter_{{brokerIndex}}{{attributeUpdateIndex}}" ng-model="attributeUpdate.attributeFilter">
+                                                                                <div ng-messages="theForm['attributeUpdateAttributeFilter_' + brokerIndex + attributeUpdateIndex].$error">
+                                                                                    <div translate ng-message="required">extension.field-required</div>
+                                                                                </div>
+                                                                            </md-input-container>
+                                                                        </section>
+                                                                        <md-input-container class="md-block">
+                                                                            <label translate>extension.topic-expression</label>
+                                                                            <input required name="attributeUpdateTopicExp_{{brokerIndex}}{{attributeUpdateIndex}}" ng-model="attributeUpdate.topicExpression">
+                                                                            <div ng-messages="theForm['attributeUpdateTopicExp_' + brokerIndex + attributeUpdateIndex].$error">
+                                                                                <div translate ng-message="required">extension.field-required</div>
+                                                                            </div>
+                                                                        </md-input-container>
+                                                                        <md-input-container class="md-block">
+                                                                            <label translate>extension.value-expression</label>
+                                                                            <input required name="attributeUpdateValueExp_{{brokerIndex}}{{attributeUpdateIndex}}" ng-model="attributeUpdate.valueExpression">
+                                                                            <div ng-messages="theForm['attributeUpdateValueExp_' + brokerIndex + attributeUpdateIndex].$error">
+                                                                                <div translate ng-message="required">extension.field-required</div>
+                                                                            </div>
+                                                                        </md-input-container>
+                                                                    </md-card-content>
+                                                                </md-card>
+                                                            </li>
+                                                        </ol>
+                                                    </div>
+                                                    <div flex layout="row" layout-align="start center">
+                                                        <md-button class="md-primary md-raised"
+                                                                   ng-click='addAttributeUpdate(broker.attributeUpdates)' aria-label="{{ 'action.add' | translate }}">
+                                                            <md-icon class="material-icons">add</md-icon>
+                                                            <span translate>extension.add-attribute-update</span>
+                                                        </md-button>
+                                                    </div>
+                                                </v-pane-content>
+                                            </v-pane>
+                                        </v-accordion>
+
+                                        <v-accordion id="mqtt-server-side-rpc-accordion" class="vAccordion--default">
+                                            <v-pane id="mqtt-server-side-rpc-pane">
+                                                <v-pane-header>
+                                                    {{ 'extension.server-side-rpc' | translate }}
+                                                </v-pane-header>
+                                                <v-pane-content>
+                                                    <div ng-if="broker.serverSideRpc.length > 0">
+                                                        <ol class="list-group">
+                                                            <li class="list-group-item" ng-repeat="(rpcIndex, rpc) in broker.serverSideRpc">
+                                                                <md-button aria-label="{{ 'action.remove' | translate }}" class="md-icon-button" ng-click="removeAttribute(rpc, broker.serverSideRpc)">
+                                                                    <ng-md-icon icon="close" aria-label="{{ 'action.remove' | translate }}"></ng-md-icon>
+                                                                    <md-tooltip md-direction="top">
+                                                                        {{ 'action.remove' | translate }}
+                                                                    </md-tooltip>
+                                                                </md-button>
+                                                                <md-card>
+                                                                    <md-card-content>
+                                                                        <section flex layout="row">
+                                                                            <md-input-container flex="50" class="md-block">
+                                                                                <label translate>extension.device-name-filter</label>
+                                                                                <input required name="serverSideRpcDeviceNameFilter_{{brokerIndex}}{{rpcIndex}}" ng-model="rpc.deviceNameFilter">
+                                                                                <div ng-messages="theForm['serverSideRpcDeviceNameFilter_' + brokerIndex + rpcIndex].$error">
+                                                                                    <div translate ng-message="required">extension.field-required</div>
+                                                                                </div>
+                                                                            </md-input-container>
+                                                                            <md-input-container flex="50" class="md-block">
+                                                                                <label translate>extension.method-filter</label>
+                                                                                <input required name="serverSideRpcMethodFilter_{{brokerIndex}}{{rpcIndex}}" ng-model="rpc.methodFilter">
+                                                                                <div ng-messages="theForm['serverSideRpcMethodFilter_' + brokerIndex + rpcIndex].$error">
+                                                                                    <div translate ng-message="required">extension.field-required</div>
+                                                                                </div>
+                                                                            </md-input-container>
+                                                                        </section>
+                                                                        <md-input-container class="md-block">
+                                                                            <label translate>extension.request-topic-expression</label>
+                                                                            <input required name="serverSideRpcRequestTopicExp_{{brokerIndex}}{{rpcIndex}}" ng-model="rpc.requestTopicExpression">
+                                                                            <div ng-messages="theForm['serverSideRpcRequestTopicExp_' + brokerIndex + rpcIndex].$error">
+                                                                                <div translate ng-message="required">extension.field-required</div>
+                                                                            </div>
+                                                                        </md-input-container>
+                                                                        <md-input-container class="md-block">
+                                                                            <label translate>extension.response-topic-expression</label>
+                                                                            <input name="serverSideRpcResponseTopicExp_{{brokerIndex}}{{rpcIndex}}" ng-model="rpc.responseTopicExpression" parse-to-null>
+                                                                        </md-input-container>
+                                                                        <section flex layout="row">
+                                                                            <md-input-container flex="50" class="md-block">
+                                                                                <label translate>extension.response-timeout</label>
+                                                                                <input type="number" name="serverSideRpcResponseTimeout_{{brokerIndex}}{{rpcIndex}}" ng-model="rpc.responseTimeout" parse-to-null>
+                                                                            </md-input-container>
+                                                                            <md-input-container flex="50" class="md-block">
+                                                                                <label translate>extension.value-expression</label>
+                                                                                <input required name="serverSideRpcValueExp_{{brokerIndex}}{{rpcIndex}}" ng-model="rpc.valueExpression">
+                                                                                <div ng-messages="theForm['serverSideRpcValueExp_' + brokerIndex + rpcIndex].$error">
+                                                                                    <div translate ng-message="required">extension.field-required</div>
+                                                                                </div>
+                                                                            </md-input-container>
+                                                                        </section>
+                                                                    </md-card-content>
+                                                                </md-card>
+                                                            </li>
+                                                        </ol>
+                                                    </div>
+                                                    <div flex layout="row" layout-align="start center">
+                                                        <md-button class="md-primary md-raised"
+                                                                   ng-click='addServerSideRpc(broker.serverSideRpc)' aria-label="{{ 'action.add' | translate }}">
+                                                            <md-icon class="material-icons">add</md-icon>
+                                                            <span translate>extension.add-server-side-rpc-request</span>
+                                                        </md-button>
+                                                    </div>
+                                                </v-pane-content>
+                                            </v-pane>
+                                        </v-accordion>
+
                                     </md-card-content>
                                 </md-card>
                             </li>
@@ -436,18 +846,15 @@
                     <div flex layout="row" layout-align="start center">
                         <md-button class="md-primary md-raised"
                                    ng-click="addBroker()" aria-label="{{ 'action.add' | translate }}">
-                            <md-tooltip md-direction="top">
-                                {{ 'extension.add-broker' | translate }}
-                            </md-tooltip>
                             <md-icon class="material-icons">add</md-icon>
-                            <span translate>action.add</span>
+                            <span translate>extension.add-broker</span>
                         </md-button>
                     </div>
                 </v-pane-content>
             </v-pane>
         </v-accordion>
-<pre>
+<!--<pre>
 {{config | json}}
-</pre>
+</pre>-->
     </md-card-content>
 </md-card>
diff --git a/ui/src/app/extension/extensions-forms/extension-form-opc.directive.js b/ui/src/app/extension/extensions-forms/extension-form-opc.directive.js
new file mode 100644
index 0000000..7eeeb29
--- /dev/null
+++ b/ui/src/app/extension/extensions-forms/extension-form-opc.directive.js
@@ -0,0 +1,161 @@
+/*
+ * Copyright © 2016-2017 The Thingsboard Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import 'brace/ext/language_tools';
+import 'brace/mode/json';
+import 'brace/theme/github';
+
+import './extension-form.scss';
+
+/* eslint-disable angular/log */
+
+import extensionFormOpcTemplate from './extension-form-opc.tpl.html';
+
+/* eslint-enable import/no-unresolved, import/default */
+
+/*@ngInject*/
+export default function ExtensionFormOpcDirective($compile, $templateCache, $translate, types) {
+
+
+    var linker = function(scope, element) {
+
+
+        function Server() {
+            this.applicationName = "Thingsboard OPC-UA client";
+            this.applicationUri = "";
+            this.host = "localhost";
+            this.port = 49320;
+            this.scanPeriodInSeconds = 10;
+            this.timeoutInMillis = 5000;
+            this.security = "Basic128Rsa15";
+            this.identity = {
+                "type": "anonymous"
+            };
+            this.keystore = {
+                "type": "PKCS12",
+                "location": "example.pfx",
+                "password": "secret",
+                "alias": "gateway",
+                "keyPassword": "secret"
+            };
+            this.mapping = []
+        }
+
+        function Map() {
+            this.deviceNodePattern = "Channel1\\.Device\\d+$";
+            this.deviceNamePattern = "Device ${_System._DeviceId}";
+            this.attributes = [];
+            this.timeseries = [];
+        }
+
+        function Attribute() {
+            this.key = "Tag1";
+            this.type = "string";
+            this.value = "${Tag1}";
+        }
+
+        function Timeseries() {
+            this.key = "Tag2";
+            this.type = "long";
+            this.value = "${Tag2}";
+        }
+
+
+        var template = $templateCache.get(extensionFormOpcTemplate);
+        element.html(template);
+
+        scope.types = types;
+        scope.theForm = scope.$parent.theForm;
+
+
+        if (!scope.configuration.servers.length) {
+            scope.configuration.servers.push(new Server());
+        }
+
+        scope.addServer = function(serversList) {
+            serversList.push(new Server());
+            // scope.addMap(serversList[serversList.length-1].mapping);
+
+            scope.theForm.$setDirty();
+        };
+
+        scope.addMap = function(mappingList) {
+            mappingList.push(new Map());
+            scope.theForm.$setDirty();
+        };
+
+        scope.addNewAttribute = function(attributesList) {
+            attributesList.push(new Attribute());
+            scope.theForm.$setDirty();
+        };
+
+        scope.addNewTimeseries = function(timeseriesList) {
+            timeseriesList.push(new Timeseries());
+            scope.theForm.$setDirty();
+        };
+
+
+        scope.removeItem = (item, itemList) => {
+            var index = itemList.indexOf(item);
+            if (index > -1) {
+                itemList.splice(index, 1);
+            }
+            scope.theForm.$setDirty();
+        };
+
+
+        $compile(element.contents())(scope);
+
+
+        scope.fileAdded = function($file, model, options) {
+            let reader = new FileReader();
+            reader.onload = function(event) {
+                scope.$apply(function() {
+                    if(event.target.result) {
+                        scope.theForm.$setDirty();
+                        let addedFile = event.target.result;
+
+                        if (addedFile && addedFile.length > 0) {
+                            model[options.fileName] = $file.name;
+                            model[options.file] = addedFile.replace(/^data.*base64,/, "");
+
+                        }
+                    }
+                });
+            };
+            reader.readAsDataURL($file.file);
+
+        };
+
+        scope.clearFile = function(model, options) {
+            scope.theForm.$setDirty();
+
+            model[options.fileName] = null;
+            model[options.file] = null;
+
+        };
+
+    };
+
+    return {
+        restrict: "A",
+        link: linker,
+        scope: {
+            configuration: "=",
+            isAdd: "="
+        }
+    }
+}
\ No newline at end of file
diff --git a/ui/src/app/extension/extensions-forms/extension-form-opc.tpl.html b/ui/src/app/extension/extensions-forms/extension-form-opc.tpl.html
index 779e93a..3cc1e1b 100644
--- a/ui/src/app/extension/extensions-forms/extension-form-opc.tpl.html
+++ b/ui/src/app/extension/extensions-forms/extension-form-opc.tpl.html
@@ -15,4 +15,543 @@
     limitations under the License.
 
 -->
-<div>OPC UA</div>
\ No newline at end of file
+<md-card class="extension-form extension-opc">
+    <md-card-title>
+        <md-card-title-text>
+            <span translate class="md-headline">extension.configuration</span>
+        </md-card-title-text>
+    </md-card-title>
+
+    <md-card-content>
+        <v-accordion id="http-server-configs-accordion" class="vAccordion--default">
+            <v-pane id="http-servers-pane" expanded="true">
+                <v-pane-header>
+                    {{ 'extension.opc-server' | translate }}
+                </v-pane-header>
+
+                <v-pane-content>
+                    <div ng-if="configuration.servers.length === 0">
+                        <span translate layout-align="center center" class="tb-prompt">extension.opc-add-server-prompt</span>
+                    </div>
+
+                    <div ng-if="configuration.servers.length > 0">
+                        <ol class="list-group">
+                            <li class="list-group-item" ng-repeat="(serverIndex, server) in configuration.servers">
+                                <md-button aria-label="{{ 'action.remove' | translate }}"
+                                           class="md-icon-button"
+                                           ng-click="removeItem(server, configuration.servers)"
+                                           ng-hide="configuration.servers.length < 2"
+                                >
+                                    <ng-md-icon icon="close" aria-label="{{ 'action.remove' | translate }}"></ng-md-icon>
+                                    <md-tooltip md-direction="top">
+                                        {{ 'action.remove' | translate }}
+                                    </md-tooltip>
+                                </md-button>
+
+                                <md-card>
+                                    <md-card-content>
+
+                                        <div layout="row">
+                                            <md-input-container flex="50" class="md-block">
+                                                <label translate>extension.opc-application-name</label>
+                                                <input required name="applicationName_{{serverIndex}}" ng-model="server.applicationName">
+                                                <div ng-messages="theForm['applicationName_' + serverIndex].$error">
+                                                    <div translate ng-message="required">extension.field-required</div>
+                                                </div>
+                                            </md-input-container>
+
+
+                                            <md-input-container flex="50" class="md-block" md-is-error="theForm['applicationUri_' + serverIndex].$touched && theForm['applicationUri_' + serverIndex].$invalid">
+                                                <label translate>extension.opc-application-uri</label>
+                                                <input required name="applicationUri_{{serverIndex}}" ng-model="server.applicationUri">
+                                                <div ng-messages="theForm['applicationUri_' + serverIndex].$error">
+                                                    <div translate ng-message="required">extension.field-required</div>
+                                                </div>
+                                            </md-input-container>
+                                        </div>
+
+
+                                        <div layout="row">
+                                            <md-input-container flex="50" class="md-block">
+                                                <label translate>extension.host</label>
+                                                <input required name="host_{{serverIndex}}" ng-model="server.host">
+                                                <div ng-messages="theForm['host_' + serverIndex].$error">
+                                                    <div translate ng-message="required">extension.field-required</div>
+                                                </div>
+                                            </md-input-container>
+
+                                            <md-input-container flex="50" class="md-block">
+                                                <label translate>extension.port</label>
+                                                <input type="number"
+                                                       required
+                                                       name="port_{{serverIndex}}"
+                                                       ng-model="server.port"
+                                                       min="1"
+                                                       max="65535"
+                                                >
+                                                <div ng-messages="theForm['port_' + serverIndex].$error">
+                                                    <div translate
+                                                         ng-message="required"
+                                                    >extension.field-required</div>
+                                                    <div translate
+                                                         ng-message="min"
+                                                    >Port should be in a range from 1 to 65535</div>
+                                                    <div translate
+                                                         ng-message="max"
+                                                    >Port should be in a range from 1 to 65535</div>
+                                                </div>
+                                            </md-input-container>
+                                        </div>
+
+                                        <div layout="row">
+                                            <md-input-container flex="50" class="md-block">
+                                                <label translate>extension.opc-scan-period-in-seconds</label>
+                                                <input type="number"
+                                                       required
+                                                       name="scanPeriodInSeconds_{{serverIndex}}"
+                                                       ng-model="server.scanPeriodInSeconds">
+                                                <div ng-messages="theForm['scanPeriodInSeconds_' + serverIndex].$error">
+                                                    <div translate
+                                                         ng-message="required"
+                                                    >extension.field-required</div>
+                                                </div>
+                                            </md-input-container>
+
+                                            <md-input-container flex="50" class="md-block">
+                                                <label translate>extension.timeout</label>
+                                                <input type="number"
+                                                       required name="timeoutInMillis_{{serverIndex}}"
+                                                       ng-model="server.timeoutInMillis"
+                                                >
+                                                <div ng-messages="theForm['timeoutInMillis_' + serverIndex].$error">
+                                                    <div translate
+                                                         ng-message="required"
+                                                    >extension.field-required</div>
+                                                </div>
+                                            </md-input-container>
+                                        </div>
+
+                                        <div layout="row">
+
+                                            <md-input-container flex="50" class="md-block tb-container-for-select">
+                                                <label translate>extension.opc-security</label>
+                                                <md-select required
+                                                           name="securityType_{{serverIndex}}"
+                                                           ng-model="server.security">
+                                                    <md-option ng-value="securityType"
+                                                               ng-repeat="(securityType, securityValue) in types.extensionOpcSecurityTypes"
+                                                    ><span ng-bind="::securityValue"></span></md-option>
+                                                </md-select>
+                                                <div ng-messages="theForm['securityType_' + serverIndex].$error">
+                                                    <div translate
+                                                         ng-message="required"
+                                                    >extension.field-required</div>
+                                                </div>
+                                            </md-input-container>
+
+                                            <md-input-container flex="50" class="md-block tb-container-for-select">
+                                                <label translate>extension.opc-identity</label>
+                                                <md-select required
+                                                           name="identityType_{{serverIndex}}"
+                                                           ng-model="server.identity.type"
+                                                >
+                                                    <md-option ng-value="identityType"
+                                                               ng-repeat="(identityType, identityValue) in types.extensionIdentityType"
+                                                    ><span ng-bind="identityValue | translate"></span></md-option>
+                                                </md-select>
+                                                <div ng-messages="theForm['identityType_' + serverIndex].$error">
+                                                    <div translate
+                                                         ng-message="required"
+                                                    >extension.field-required</div>
+                                                </div>
+                                            </md-input-container>
+                                        </div>
+
+                                        <div ng-if="server.identity.type != 'username'">
+                                            <span class=""
+                                                  ng-init="server.identity = {'type':'anonymous'}"></span>
+                                        </div>
+                                        <div layout="row" ng-if="server.identity.type == 'username'">
+                                            <md-input-container flex="50" class="md-block" md-is-error="theForm['identityUsername_' + serverIndex].$touched && theForm['identityUsername_' + serverIndex].$invalid">
+                                                <label translate>extension.username</label>
+                                                <input required
+                                                       name="identityUsername_{{serverIndex}}"
+                                                       ng-model="server.identity.username"
+                                                >
+                                                <div ng-messages="theForm['identityUsername_' + serverIndex].$error">
+                                                    <div translate
+                                                         ng-message="required"
+                                                    >extension.field-required</div>
+                                                </div>
+                                            </md-input-container>
+
+                                            <md-input-container flex="50" class="md-block" md-is-error="theForm['identityPassword_' + serverIndex].$touched && theForm['identityPassword_' + serverIndex].$invalid">
+                                                <label translate>extension.password</label>
+                                                <input required
+                                                       name="identityPassword_{{serverIndex}}" ng-model="server.identity.password">
+                                                <div ng-messages="theForm['identityPassword_' + serverIndex].$error">
+                                                    <div translate
+                                                         ng-message="required"
+                                                    >extension.field-required</div>
+                                                </div>
+                                            </md-input-container>
+                                        </div>
+
+                                        <v-accordion id="opc-attributes-accordion" class="vAccordion--default">
+                                            <v-pane id="opc-attributes-pane" expanded="true">
+                                                <v-pane-header>
+                                                    {{ 'extension.opc-keystore' | translate }}
+                                                </v-pane-header>
+                                                <v-pane-content>
+
+                                                    <md-input-container class="md-block tb-container-for-select">
+                                                        <label translate>extension.opc-keystore-type</label>
+                                                        <md-select required name="keystoreType_{{serverIndex}}" ng-model="server.keystore.type">
+                                                            <md-option ng-value="keystoreType" ng-repeat="(keystoreType, keystoreValue) in types.extensionKeystoreType"><span ng-bind="::keystoreValue"></span></md-option>
+                                                        </md-select>
+                                                        <div ng-messages="theForm['keystoreType_'+serverIndex].$error">
+                                                            <div translate ng-message="required">extension.field-required</div>
+                                                        </div>
+                                                    </md-input-container>
+
+                                                    <section class="dropdown-section">
+                                                        <div class="tb-container" ng-class="{'ng-invalid':!server.keystore.file}">
+                                                            <span ng-init='fieldsToFill = {"fileName":"fileName", "file":"file"}'></span>
+                                                            <label class="tb-label" translate>extension.opc-keystore-location</label>
+                                                            <div flow-init="{singleFile:true}" flow-file-added='fileAdded($file, server.keystore, fieldsToFill)' class="tb-file-select-container">
+                                                                <div class="tb-file-clear-container">
+                                                                    <md-button ng-click='clearFile(server.keystore, fieldsToFill)' class="tb-file-clear-btn md-icon-button md-primary" aria-label="{{ 'action.remove' | translate }}">
+                                                                        <md-tooltip md-direction="top">
+                                                                            {{ 'action.remove' | translate }}
+                                                                        </md-tooltip>
+                                                                        <md-icon aria-label="{{ 'action.remove' | translate }}" class="material-icons">close</md-icon>
+                                                                    </md-button>
+                                                                </div>
+                                                                <div class="alert tb-flow-drop" flow-drop>
+                                                                    <label for="dropFileKeystore_{{serverIndex}}" translate>extension.drop-file</label>
+                                                                    <input flow-attrs="{accept:'.pfx,.p12'}"
+                                                                           type="file"
+                                                                           class="file-input"
+                                                                           flow-btn id="dropFileKeystore_{{serverIndex}}"
+                                                                           name="keystoreFile"
+                                                                           ng-model="server.keystore.file"
+                                                                    >
+                                                                </div>
+                                                            </div>
+                                                        </div>
+                                                        <div class="dropdown-messages">
+                                                            <div ng-if="!server.keystore[fieldsToFill.fileName]" class="tb-error-message" translate>extension.no-file</div>
+                                                            <div ng-if="server.keystore[fieldsToFill.fileName]">{{server.keystore[fieldsToFill.fileName]}}</div>
+                                                        </div>
+                                                    </section>
+
+
+                                                    <div flex layout="row">
+                                                        <md-input-container flex="50" class="md-block">
+                                                            <label translate>extension.opc-keystore-password</label>
+                                                            <input required name="keystorePassword_{{serverIndex}}" ng-model="server.keystore.password">
+                                                            <div ng-messages="theForm['keystorePassword_' + serverIndex].$error">
+                                                                <div translate ng-message="required">extension.field-required</div>
+                                                            </div>
+                                                        </md-input-container>
+
+                                                        <md-input-container flex="50" class="md-block">
+                                                            <label translate>extension.opc-keystore-alias</label>
+                                                            <input required name="keystoreAlias_{{serverIndex}}" ng-model="server.keystore.alias">
+                                                            <div ng-messages="theForm['keystoreAlias_' + serverIndex].$error">
+                                                                <div translate ng-message="required">extension.field-required</div>
+                                                            </div>
+                                                        </md-input-container>
+                                                    </div>
+
+                                                    <md-input-container class="md-block">
+                                                        <label translate>extension.opc-keystore-key-password</label>
+                                                        <input required name="keystoreKeyPassword_{{serverIndex}}" ng-model="server.keystore.keyPassword">
+                                                        <div ng-messages="theForm['keystoreKeyPassword_' + serverIndex].$error">
+                                                            <div translate ng-message="required">extension.field-required</div>
+                                                        </div>
+                                                    </md-input-container>
+
+                                                </v-pane-content>
+                                            </v-pane>
+                                        </v-accordion>
+
+
+                                        <v-accordion id="opc-attributes-accordion"
+                                                     class="vAccordion--default"
+                                        >
+                                            <v-pane id="opc-attributes-pane">
+                                                <v-pane-header>
+                                                    {{ 'extension.mapping' | translate }}
+                                                </v-pane-header>
+                                                <v-pane-content>
+                                                    <div ng-if="server.mapping.length > 0">
+                                                        <ol class="list-group">
+                                                            <li class="list-group-item"
+                                                                ng-repeat="(mapIndex, map) in server.mapping"
+                                                            >
+                                                                <md-button aria-label="{{ 'action.remove' | translate }}"
+                                                                           class="md-icon-button"
+                                                                           ng-click="removeItem(map, server.mapping)"
+                                                                >
+                                                                    <ng-md-icon icon="close" aria-label="{{ 'action.remove' | translate }}"></ng-md-icon>
+                                                                    <md-tooltip md-direction="top">
+                                                                        {{ 'action.remove' | translate }}
+                                                                    </md-tooltip>
+                                                                </md-button>
+
+                                                                <md-card>
+                                                                    <md-card-content>
+                                                                        <div flex layout="row">
+                                                                            <md-input-container flex="50" class="md-block">
+                                                                                <label translate>extension.opc-device-node-pattern</label>
+                                                                                <input required
+                                                                                       name="deviceNodePattern_{{serverIndex}}{{mapIndex}}"
+                                                                                       ng-model="map.deviceNodePattern"
+                                                                                >
+                                                                                <div ng-messages="theForm['deviceNodePattern_' + serverIndex + mapIndex].$error">
+                                                                                    <div translate
+                                                                                         ng-message="required"
+                                                                                    >extension.field-required</div>
+                                                                                </div>
+                                                                            </md-input-container>
+
+                                                                            <md-input-container flex="50" class="md-block">
+                                                                                <label translate>extension.opc-device-name-pattern</label>
+                                                                                <input required
+                                                                                       name="deviceNamePattern_{{serverIndex}}{{mapIndex}}"
+                                                                                       ng-model="map.deviceNamePattern"
+                                                                                >
+                                                                                <div ng-messages="theForm['deviceNamePattern_' + serverIndex + mapIndex].$error">
+                                                                                    <div translate
+                                                                                         ng-message="required"
+                                                                                    >extension.field-required</div>
+                                                                                </div>
+                                                                            </md-input-container>
+                                                                        </div>
+
+
+                                                                        <v-accordion id="opc-attributes-accordion"
+                                                                                     class="vAccordion--default"
+                                                                        >
+                                                                            <v-pane id="opc-attributes-pane">
+                                                                                <v-pane-header>
+                                                                                    {{ 'extension.attributes' | translate }}
+                                                                                </v-pane-header>
+                                                                                <v-pane-content>
+                                                                                    <div ng-show="map.attributes.length > 0">
+                                                                                        <ol class="list-group">
+                                                                                            <li class="list-group-item"
+                                                                                                ng-repeat="(attributeIndex, attribute) in map.attributes"
+                                                                                            >
+                                                                                                <md-button aria-label="{{ 'action.remove' | translate }}"
+                                                                                                           class="md-icon-button"
+                                                                                                           ng-click="removeItem(attribute, map.attributes)">
+                                                                                                    <ng-md-icon icon="close"
+                                                                                                                aria-label="{{ 'action.remove' | translate }}"
+                                                                                                    ></ng-md-icon>
+                                                                                                    <md-tooltip md-direction="top">
+                                                                                                        {{ 'action.remove' | translate }}
+                                                                                                    </md-tooltip>
+                                                                                                </md-button>
+                                                                                                <md-card>
+                                                                                                    <md-card-content>
+
+                                                                                                        <section flex
+                                                                                                                 layout="row"
+                                                                                                        >
+                                                                                                            <md-input-container flex="60" class="md-block">
+                                                                                                                <label translate>extension.key</label>
+                                                                                                                <input required
+                                                                                                                       name="opcAttributeKey_{{serverIndex}}{{mapIndex}}{{attributeIndex}}"
+                                                                                                                       ng-model="attribute.key"
+                                                                                                                >
+                                                                                                                <div ng-messages="theForm['opcAttributeKey_' + serverIndex + mapIndex + attributeIndex].$error">
+                                                                                                                    <div translate
+                                                                                                                         ng-message="required"
+                                                                                                                    >extension.field-required</div>
+                                                                                                                </div>
+                                                                                                            </md-input-container>
+                                                                                                            <md-input-container flex="40" class="md-block tb-container-for-select">
+                                                                                                                <label translate>extension.type</label>
+                                                                                                                <md-select required name="opcAttributeType_{{serverIndex}}{{mapIndex}}{{attributeIndex}}"
+                                                                                                                           ng-model="attribute.type"
+                                                                                                                >
+                                                                                                                    <md-option ng-repeat="(attrType, attrTypeValue) in types.extensionValueType"
+                                                                                                                               ng-value="attrType"
+                                                                                                                    >
+                                                                                                                        {{attrTypeValue | translate}}
+                                                                                                                    </md-option>
+                                                                                                                </md-select>
+                                                                                                                <div ng-messages="theForm['opcAttributeType_' + serverIndex + mapIndex + attributeIndex].$error">
+                                                                                                                    <div translate
+                                                                                                                         ng-message="required"
+                                                                                                                    >extension.required-type</div>
+                                                                                                                </div>
+                                                                                                            </md-input-container>
+                                                                                                        </section>
+
+                                                                                                        <section flex layout="row">
+                                                                                                            <md-input-container flex="100" class="md-block">
+                                                                                                                <label translate>extension.value</label>
+                                                                                                                <input required name="opcAttributeValue_{{serverIndex}}{{mapIndex}}{{attributeIndex}}"
+                                                                                                                       ng-model="attribute.value"
+                                                                                                                >
+                                                                                                                <div ng-messages="theForm['opcAttributeValue_' + serverIndex + mapIndex + attributeIndex].$error">
+                                                                                                                    <div translate
+                                                                                                                         ng-message="required"
+                                                                                                                    >extension.field-required</div>
+                                                                                                                </div>
+                                                                                                            </md-input-container>
+
+                                                                                                        </section>
+
+
+                                                                                                    </md-card-content>
+                                                                                                </md-card>
+                                                                                            </li>
+                                                                                        </ol>
+                                                                                    </div>
+                                                                                    <div flex layout="row" layout-align="start center">
+                                                                                        <md-button class="md-primary md-raised"
+                                                                                                   ng-click="addNewAttribute(map.attributes)"
+                                                                                                   aria-label="{{ 'action.add' | translate }}"
+                                                                                        >
+                                                                                            <md-icon class="material-icons">add</md-icon>
+                                                                                            <span translate>add-attribute</span>
+                                                                                        </md-button>
+                                                                                    </div>
+                                                                                </v-pane-content>
+                                                                            </v-pane>
+                                                                        </v-accordion>
+
+                                                                        <v-accordion id="opc-timeseries-accordion" class="vAccordion--default">
+                                                                            <v-pane id="opc-timeseries-pane">
+                                                                                <v-pane-header>
+                                                                                    {{ 'extension.timeseries' | translate }}
+                                                                                </v-pane-header>
+                                                                                <v-pane-content>
+                                                                                    <div ng-show="map.timeseries.length > 0">
+                                                                                        <ol class="list-group">
+                                                                                            <li class="list-group-item"
+                                                                                                ng-repeat="(timeseriesIndex, timeseries) in map.timeseries"
+                                                                                            >
+                                                                                                <md-button aria-label="{{ 'action.remove' | translate }}"
+                                                                                                           class="md-icon-button"
+                                                                                                           ng-click="removeItem(timeseries, map.timeseries)"
+                                                                                                >
+                                                                                                    <ng-md-icon icon="close" aria-label="{{ 'action.remove' | translate }}"></ng-md-icon>
+                                                                                                    <md-tooltip md-direction="top">
+                                                                                                        {{ 'action.remove' | translate }}
+                                                                                                    </md-tooltip>
+                                                                                                </md-button>
+                                                                                                <md-card>
+                                                                                                    <md-card-content>
+                                                                                                        <section flex layout="row">
+                                                                                                            <md-input-container flex="60" class="md-block">
+                                                                                                                <label translate>extension.key</label>
+                                                                                                                <input required
+                                                                                                                       name="opcTimeseriesKey_{{serverIndex}}{{mapIndex}}{{timeseriesIndex}}"
+                                                                                                                       ng-model="timeseries.key"
+                                                                                                                >
+                                                                                                                <div ng-messages="theForm['opcTimeseriesKey_' + serverIndex + mapIndex + timeseriesIndex].$error">
+                                                                                                                    <div translate
+                                                                                                                         ng-message="required"
+                                                                                                                    >extension.field-required</div>
+                                                                                                                </div>
+                                                                                                            </md-input-container>
+                                                                                                            <md-input-container flex="40"
+                                                                                                                                class="md-block tb-container-for-select"
+                                                                                                            >
+                                                                                                                <label translate>extension.type</label>
+                                                                                                                <md-select required
+                                                                                                                           name="opcTimeseriesType_{{serverIndex}}{{mapIndex}}{{timeseriesIndex}}"
+                                                                                                                           ng-model="timeseries.type"
+                                                                                                                >
+                                                                                                                    <md-option ng-repeat="(attrType, attrTypeValue) in types.extensionValueType"
+                                                                                                                               ng-value="attrType"
+                                                                                                                    >
+                                                                                                                        {{attrTypeValue | translate}}
+                                                                                                                    </md-option>
+                                                                                                                </md-select>
+                                                                                                                <div ng-messages="theForm['opcTimeseriesType_' + serverIndex + mapIndex + timeseriesIndex].$error">
+                                                                                                                    <div translate
+                                                                                                                         ng-message="required"
+                                                                                                                    >extension.field-required</div>
+                                                                                                                </div>
+                                                                                                            </md-input-container>
+                                                                                                        </section>
+                                                                                                        <section flex layout="row">
+                                                                                                            <md-input-container flex="100" class="md-block">
+                                                                                                                <label translate>extension.value</label>
+                                                                                                                <input required name="opcTimeseriesValue_{{serverIndex}}{{mapIndex}}{{timeseriesIndex}}" ng-model="timeseries.value">
+                                                                                                                <div ng-messages="theForm['opcTimeseriesValue_' + serverIndex + mapIndex + timeseriesIndex].$error">
+                                                                                                                    <div translate ng-message="required">extension.required-value</div>
+                                                                                                                </div>
+                                                                                                            </md-input-container>
+                                                                                                        </section>
+                                                                                                    </md-card-content>
+                                                                                                </md-card>
+                                                                                            </li>
+                                                                                        </ol>
+                                                                                    </div>
+                                                                                    <div flex layout="row" layout-align="start center">
+                                                                                        <md-button class="md-primary md-raised"
+                                                                                                   ng-click="addNewAttribute(map.timeseries)"
+                                                                                                   aria-label="{{ 'action.add' | translate }}"
+                                                                                        >
+                                                                                            <md-icon class="material-icons">add</md-icon>
+                                                                                            <span translate>extension.add-timeseries</span>
+                                                                                        </md-button>
+                                                                                    </div>
+                                                                                </v-pane-content>
+                                                                            </v-pane>
+                                                                        </v-accordion>
+
+
+                                                                    </md-card-content>
+                                                                </md-card>
+                                                            </li>
+                                                        </ol>
+                                                    </div>
+                                                    <div flex
+                                                         layout="row"
+                                                         layout-align="start center"
+                                                    >
+                                                        <md-button class="md-primary md-raised"
+                                                                   ng-click="addMap(server.mapping)"
+                                                                   aria-label="{{ 'action.add' | translate }}"
+                                                        >
+                                                            <md-icon class="material-icons">add</md-icon>
+                                                            <span translate>extension.add-map</span>
+                                                        </md-button>
+                                                    </div>
+                                                </v-pane-content>
+                                            </v-pane>
+                                        </v-accordion>
+
+                                    </md-card-content>
+                                </md-card>
+                            </li>
+                        </ol>
+
+                        <div flex
+                             layout="row"
+                             layout-align="start center"
+                        >
+                            <md-button class="md-primary md-raised"
+                                       ng-click="addServer(configuration.servers)"
+                                       aria-label="{{ 'action.add' | translate }}"
+                            >
+                                <md-icon class="material-icons">add</md-icon>
+                                <span translate>extension.opc-add-server</span>
+                            </md-button>
+                        </div>
+
+                    </div>
+                </v-pane-content>
+            </v-pane>
+        </v-accordion>
+        <!--{{config}}-->
+    </md-card-content>
+</md-card>
\ No newline at end of file
diff --git a/ui/src/app/extension/extension-table.directive.js b/ui/src/app/extension/extension-table.directive.js
index ae28d24..21d716b 100644
--- a/ui/src/app/extension/extension-table.directive.js
+++ b/ui/src/app/extension/extension-table.directive.js
@@ -126,11 +126,13 @@ function ExtensionTableController($scope, $filter, $document, $translate, types,
             controllerAs: 'vm',
             templateUrl: extensionDialogTemplate,
             parent: angular.element($document[0].body),
-            locals: { isAdd: isAdd,
-                      allExtensions: vm.allExtensions,
-                      entityId: vm.entityId,
-                      entityType: vm.entityType,
-                      extension: extension},
+            locals: {
+                isAdd: isAdd,
+                allExtensions: vm.allExtensions,
+                entityId: vm.entityId,
+                entityType: vm.entityType,
+                extension: extension
+            },
             bindToController: true,
             targetEvent: $event,
             fullscreen: true,
diff --git a/ui/src/app/extension/index.js b/ui/src/app/extension/index.js
index 619374f..acb97be 100644
--- a/ui/src/app/extension/index.js
+++ b/ui/src/app/extension/index.js
@@ -17,11 +17,13 @@
 import ExtensionTableDirective from './extension-table.directive';
 import ExtensionFormHttpDirective from './extensions-forms/extension-form-http.directive';
 import ExtensionFormMqttDirective from './extensions-forms/extension-form-mqtt.directive'
+import ExtensionFormOpcDirective from './extensions-forms/extension-form-opc.directive';
 import {ParseToNull} from './extension-dialog.controller';
 
 export default angular.module('thingsboard.extension', [])
     .directive('tbExtensionTable', ExtensionTableDirective)
     .directive('tbExtensionFormHttp', ExtensionFormHttpDirective)
     .directive('tbExtensionFormMqtt', ExtensionFormMqttDirective)
+    .directive('tbExtensionFormOpc', ExtensionFormOpcDirective)
     .directive('parseToNull', ParseToNull)
     .name;
\ No newline at end of file
diff --git a/ui/src/app/locale/locale.constant.js b/ui/src/app/locale/locale.constant.js
index 3ac0ebc..8551a38 100644
--- a/ui/src/app/locale/locale.constant.js
+++ b/ui/src/app/locale/locale.constant.js
@@ -739,12 +739,7 @@ export default angular.module('thingsboard.locale', [])
                     "extension-id": "Extension id",
                     "extension-type": "Extension type",
                     "transformer-json": "JSON *",
-                    "id-required": "Extension id is required.",
                     "unique-id-required": "Current extension id already exists.",
-                    "type-required": "Extension type is required.",
-                    "required-type": "Type is required.",
-                    "required-key": "Key is required.",
-                    "required-value": "Value is required.",
                     "delete": "Delete extension",
                     "add": "Add extension",
                     "edit": "Edit extension",
@@ -754,18 +749,13 @@ export default angular.module('thingsboard.locale', [])
                     "delete-extensions-text": "Be careful, after the confirmation all selected extensions will be removed.",
                     "converters": "Converters",
                     "converter-id": "Converter id",
-                    "converter-id-required": "Converter id is required.",
                     "configuration": "Configuration",
                     "converter-configurations": "Converter configurations",
                     "token": "Security token",
                     "add-converter": "Add converter",
-                    "add-converter-prompt": "Please add converter",
                     "add-config": "Add converter configuration",
-                    "add-config-prompt": "Please add converter configuration",
                     "device-name-expression": "Device name expression",
-                    "device-name-expression-required": "Device name expression is required.",
                     "device-type-expression": "Device type expression",
-                    "device-type-expression-required": "Device type expression is required.",
                     "custom": "Custom",
                     "to-double": "To Double",
                     "transformer": "Transformer",
@@ -773,25 +763,20 @@ export default angular.module('thingsboard.locale', [])
                     "json-parse": "Unable to parse transformer json.",
                     "attributes": "Attributes",
                     "add-attribute": "Add attribute",
+                    "add-map": "Add mapping element",
                     "timeseries": "Timeseries",
                     "add-timeseries": "Add timeseries",
-
+                    "field-required": "Field is required",
                     "brokers": "Brokers",
                     "add-broker": "Add broker",
-                    "add-broker-prompt": "Please add broker",
                     "host": "Host",
-                    "host-required": "Host is required.",
                     "port": "Port",
-                    "port-required": "Port is required.",
                     "port-range": "Port should be in a range from 1 to 65535.",
                     "ssl": "Ssl",
                     "credentials": "Credentials",
                     "username": "Username",
-                    "username-required": "Username is required.",
                     "password": "Password",
-                    "password-required": "Password is required.",
-                    "retry-interval": "Retry interval",
-                    "retry-interval-required": "Retry interval is required.",
+                    "retry-interval": "Retry interval in milliseconds",
                     "anonymous": "Anonymous",
                     "basic": "Basic",
                     "pem": "PEM",
@@ -801,28 +786,59 @@ export default angular.module('thingsboard.locale', [])
                     "no-file": "No file selected.",
                     "drop-file": "Drop a file or click to select a file to upload.",
                     "mapping": "Mapping",
-                    "add-map": "Add map",
                     "topic-filter": "Topic filter",
-                    "topic-filter-required": "Topic filter is required.",
                     "converter-type": "Converter type",
-                    "converter-type-required": "Converter type is required.",
                     "converter-json": "Json",
-                    "name-expression": "Name expression",
-                    "type-expression": "Type expression",
-                    "json-name-expression": "Json name expression",
-                    "json-name-expression-required": "Json name expression is required.",
-                    "topic-name-expression": "Topic name expression",
-                    "topic-name-expression-required": "Topic name expression is required.",
-                    "json-type-expression": "Json type expression",
-                    "json-type-expression-required": "Json type expression is required.",
-                    "topic-type-expression": "Topic type expression",
-                    "topic-type-expression-required": "Topic type expression is required.",
+                    "json-name-expression": "Device name json expression",
+                    "topic-name-expression": "Device name topic expression",
+                    "json-type-expression": "Device type json expression",
+                    "topic-type-expression": "Device type topic expression",
+                    "attribute-key-expression": "Attribute key expression",
+                    "attr-json-key-expression": "Attribute key json expression",
+                    "attr-topic-key-expression": "Attribute key topic expression",
+                    "request-id-expression": "Request id expression",
+                    "request-id-json-expression": "Request id json expression",
+                    "request-id-topic-expression": "Request id topic expression",
+                    "response-topic-expression": "Response topic expression",
+                    "value-expression": "Value expression",
                     "topic": "Topic",
-                    "timeout": "Timeout",
+                    "timeout": "Timeout in milliseconds",
                     "converter-json-required": "Converter json is required.",
                     "converter-json-parse": "Unable to parse converter json.",
                     "filter-expression": "Filter expression",
-                    "filter-expression-required": "Filter expression is required."
+                    "connect-requests": "Connect requests",
+                    "add-connect-request": "Add connect request",
+                    "disconnect-requests": "Disconnect requests",
+                    "add-disconnect-request": "Add disconnect request",
+                    "attribute-requests": "Attribute requests",
+                    "add-attribute-request": "Add attribute request",
+                    "attribute-updates": "Attribute updates",
+                    "add-attribute-update": "Add attribute update",
+                    "server-side-rpc": "Server side RPC",
+                    "add-server-side-rpc-request": "Add server-side RPC request",
+                    "device-name-filter": "Device name filter",
+                    "attribute-filter": "Attribute filter",
+                    "method-filter": "Method filter",
+                    "request-topic-expression": "Request topic expression",
+                    "response-timeout": "Response timeout in milliseconds",
+                    "topic-expression": "Topic expression",
+                    "client-scope": "Client scope",
+                    "opc-server": "Servers",
+                    "opc-add-server": "Add server",
+                    "opc-application-name": "Application name",
+                    "opc-application-uri": "Application uri",
+                    "opc-scan-period-in-seconds": "Scan period in seconds",
+                    "opc-security": "Security",
+                    "opc-identity": "Identity",
+                    "opc-keystore": "Keystore",
+                    "opc-type": "Type",
+                    "opc-keystore-type":"Type",
+                    "opc-keystore-location":"Location *",
+                    "opc-keystore-password":"Password",
+                    "opc-keystore-alias":"Alias",
+                    "opc-keystore-key-password":"Key password",
+                    "opc-device-node-pattern":"Device node pattern",
+                    "opc-device-name-pattern":"Device name pattern",
                 },
                 "fullscreen": {
                     "expand": "Expand to fullscreen",