diff --git a/extensions-core/src/main/resources/AlarmProcessorDescriptor.json b/extensions-core/src/main/resources/AlarmProcessorDescriptor.json
index 534cc4e..f23b40c 100644
--- a/extensions-core/src/main/resources/AlarmProcessorDescriptor.json
+++ b/extensions-core/src/main/resources/AlarmProcessorDescriptor.json
@@ -31,8 +31,9 @@
"default": true
},
"alarmDetailsTemplate": {
- "title": "Alarm details",
- "type": "string"
+ "title": "Alarm details (JSON)",
+ "type": "string",
+ "default": "{}"
}
},
"required": [
