Merge branch 'SmithaManjunath-master-patch-83777' into 'master'

Update GUIDELINES_FOR_USING_NOTIFICATION.md

See merge request !167

provider/notification-azure/docs/GUIDELINES_FOR_USING_NOTIFICATION.md

@@ -12,6 +12,7 @@ Please verify that the topic you want to use exists. If now, follow [this](https
  
 #### 1. Publish to Service Bus Topic.
 Using core-lib-azure [Publisher facade](https://community.opengroup.org/osdu/platform/system/lib/cloud/azure/os-core-lib-azure/-/blob/master/src/main/java/org/opengroup/osdu/azure/publisherFacade/MessagePublisher.java), you can publish the events.
+Please refer to [this MR as a reference](https://community.opengroup.org/osdu/platform/system/storage/-/merge_requests/266) to understand the changes needed for your service to start using the Publisher Facade from core-lib.
 
 #### 2. Steps to Subscribe
 1. Register your subscriber with Register Service. You will need to expose two endpoints