+Update AC instance properties after deployment (Optional)
+---------------------------------------------------------
+After the AC instance is deployed, the user can still update the instance property values if needed. In this case, the runtime updates these new values
+in the database and also sends an update event to the participants. The participants has to implement the update method to perform the
+required operation.
+
+.. code-block:: bash
+
+ Invoke a POST request
+ 'http://policy_runtime_ip:port/onap/policy/clamp/acm/v2/compositions/${compositionId}/instances'
+
+Note:
+ Please refer the request payload section for updating the instance properties before deployment.
+