doc updates

Author: sajeetharan

articles/cosmos-db/mongodb/how-to-setup-rbac.md

@@ -129,6 +129,12 @@ MongoClient client = new MongoClient(uri);
 mongosh --authenticationDatabase <YOUR_DB> --authenticationMechanism SCRAM-SHA-256 "mongodb://<YOUR_USERNAME>:<YOUR_PASSWORD>@<YOUR_HOST>:10255/?ssl=true&replicaSet=globaldb&retrywrites=false&maxIdleTimeMS=120000"
 ```
 
+## Authenticate using MongoDB Compass or Azure Data Studio
+```bash
+connectionString = "mongodb://" + "<YOUR_USER>" + ":" + "<YOUR_PASSWORD>" + "@" + "<YOUR_HOSTNAME>" + ":10255/" + "<YOUR_DATABASE>" +"?ssl=true&retrywrites=false&replicaSet=globaldb&authmechanism=SCRAM-SHA-256&appname=@" + "<YOUR appName FROM CONNECTION STRING IN AZURE PORTAL>" + "@"
++"&authSource=" +"<YOUR_DATABASE>";
+```
+
 ## Azure CLI RBAC Commands
 The RBAC management commands will only work with newer versions of the Azure CLI installed. See the Quickstart above on how to get started.