diff --git a/specification/automation/resource-manager/Microsoft.Automation/2015-10-31/definitions.json b/specification/automation/resource-manager/Microsoft.Automation/2015-10-31/definitions.json
index 2e75f0754477..d1e4acb4a53d 100644
--- a/specification/automation/resource-manager/Microsoft.Automation/2015-10-31/definitions.json
+++ b/specification/automation/resource-manager/Microsoft.Automation/2015-10-31/definitions.json
@@ -1446,6 +1446,13 @@
         "etag": {
           "type": "string",
           "description": "Gets or sets the etag of the resource."
+        },
+        "extensionHandler": {
+          "type": "array",
+          "description": "Gets or sets the list of extensionHandler properties for a Node.",
+          "items": {
+            "$ref": "#/definitions/DscNodeExtensionHandlerAssociationProperty"
+          }
         }
       },
       "allOf": [
@@ -1529,6 +1536,19 @@
       },
       "description": "The dsc nodeconfiguration property associated with the entity."
     },
+    "DscNodeExtensionHandlerAssociationProperty": {
+      "properties": {
+        "name": {
+          "type": "string",
+          "description": "Gets or sets the name of the extension handler."
+        },
+        "version": {
+          "type": "string",
+          "description": "Gets or sets the version of the extension handler."
+        }
+      },
+      "description": "The dsc extensionHandler property associated with the node"
+    },
     "DscNodeListResult": {
       "properties": {
         "value": {