diff --git a/rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/filter/TbCheckMessageNode.java b/rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/filter/TbCheckMessageNode.java
new file mode 100644
index 0000000..acb9136
--- /dev/null
+++ b/rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/filter/TbCheckMessageNode.java
@@ -0,0 +1,98 @@
+/**
+ * Copyright © 2018 The Thingsboard Authors
+ * <p>
+ * 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
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * 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.
+ */
+package org.thingsboard.rule.engine.filter;
+
+import com.google.gson.Gson;
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+import lombok.extern.slf4j.Slf4j;
+import org.thingsboard.rule.engine.api.RuleNode;
+import org.thingsboard.rule.engine.api.TbContext;
+import org.thingsboard.rule.engine.api.TbNode;
+import org.thingsboard.rule.engine.api.TbNodeConfiguration;
+import org.thingsboard.rule.engine.api.TbNodeException;
+import org.thingsboard.rule.engine.api.util.TbNodeUtils;
+import org.thingsboard.server.common.data.plugin.ComponentType;
+import org.thingsboard.server.common.msg.TbMsg;
+
+import java.util.List;
+
+@Slf4j
+@RuleNode(
+ type = ComponentType.FILTER,
+ name = "check key",
+ relationTypes = {"True", "False"},
+ configClazz = TbCheckMessageNodeConfiguration.class,
+ nodeDescription = "Checks the existence of the selected key in the message payload.",
+ nodeDetails = "If the selected key exists - send Message via <b>True</b> chain, otherwise <b>False</b> chain is used.",
+ uiResources = {"static/rulenode/custom-nodes-config.js"},
+ configDirective = "tbFilterNodeCheckKeyConfig")
+public class TbCheckMessageNode implements TbNode {
+
+ private static final Gson gson = new Gson();
+
+ private TbCheckMessageNodeConfiguration config;
+ private List<String> messageNamesList;
+ private List<String> metadataNamesList;
+
+ @Override
+ public void init(TbContext tbContext, TbNodeConfiguration configuration) throws TbNodeException {
+ this.config = TbNodeUtils.convert(configuration, TbCheckMessageNodeConfiguration.class);
+ messageNamesList = config.getMessageNames();
+ metadataNamesList = config.getMetadataNames();
+ }
+
+ @Override
+ public void onMsg(TbContext ctx, TbMsg msg) {
+ JsonObject data = new JsonParser().parse(msg.getData()).getAsJsonObject();
+ JsonObject metadata = gson.toJsonTree(msg.getMetaData().getData()).getAsJsonObject();
+ try {
+ ctx.tellNext(msg, processAllMessageData(data) && processAllMessageMetadata(metadata) ? "True" : "False");
+ } catch (Exception e) {
+ ctx.tellFailure(msg, e);
+ }
+ }
+
+ @Override
+ public void destroy() {
+ }
+
+ private boolean processAllMessageData(JsonObject data) {
+ if (config.isCheckMessageData()) {
+ return process(data, messageNamesList);
+ } else {
+ return true;
+ }
+ }
+
+ private boolean processAllMessageMetadata(JsonObject metadata) {
+ if (config.isCheckMessageMetadata()) {
+ return process(metadata, metadataNamesList);
+ } else {
+ return true;
+ }
+ }
+
+ private boolean process(JsonObject object, List<String> fieldsList) {
+ for (String field : fieldsList) {
+ if (!object.has(field)) {
+ return false;
+ }
+ }
+ return true;
+ }
+
+}
\ No newline at end of file
diff --git a/rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/filter/TbCheckMessageNodeConfiguration.java b/rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/filter/TbCheckMessageNodeConfiguration.java
new file mode 100644
index 0000000..1fbedb5
--- /dev/null
+++ b/rule-engine/rule-engine-components/src/main/java/org/thingsboard/rule/engine/filter/TbCheckMessageNodeConfiguration.java
@@ -0,0 +1,30 @@
+package org.thingsboard.rule.engine.filter;
+
+import lombok.Data;
+import org.thingsboard.rule.engine.api.NodeConfiguration;
+
+import java.util.Collections;
+import java.util.List;
+
+@Data
+public class TbCheckMessageNodeConfiguration implements NodeConfiguration {
+
+ private List<String> messageNames;
+ private List<String> metadataNames;
+
+ private boolean checkMessageData;
+ private boolean checkMessageMetadata;
+ private boolean checkAllKeys;
+
+
+ @Override
+ public TbCheckMessageNodeConfiguration defaultConfiguration() {
+ TbCheckMessageNodeConfiguration configuration = new TbCheckMessageNodeConfiguration();
+ configuration.setMessageNames(Collections.emptyList());
+ configuration.setMetadataNames(Collections.emptyList());
+ configuration.setCheckMessageData(true);
+ configuration.setCheckMessageMetadata(false);
+ configuration.setCheckAllKeys(true);
+ return configuration;
+ }
+}
