diff --git a/specification/adp/resource-manager/Microsoft.AutonomousDevelopmentPlatform/preview/2020-07-01-preview/adp.json b/specification/adp/resource-manager/Microsoft.AutonomousDevelopmentPlatform/preview/2020-07-01-preview/adp.json
index eb9395934bae..ba19da7e67b2 100644
--- a/specification/adp/resource-manager/Microsoft.AutonomousDevelopmentPlatform/preview/2020-07-01-preview/adp.json
+++ b/specification/adp/resource-manager/Microsoft.AutonomousDevelopmentPlatform/preview/2020-07-01-preview/adp.json
@@ -821,6 +821,10 @@
           "description": "Indicates whether the operation is a data action",
           "type": "boolean"
         },
+        "actionType": {
+          "description": "Indicates the action type.",
+          "type": "string"
+        },
         "display": {
           "$ref": "#/definitions/OperationDisplay",
           "description": "Display of the operation"