Updated Synapse Source control doc

articles/synapse-analytics/cicd/source-control.md

@@ -225,6 +225,14 @@ A side pane opens where you confirm that the publish branch and pending changes
 > [!IMPORTANT]
 > The collaboration branch is not representative of what's deployed in the service. The changes in collaboration branch *must* be published manually.
 
+> [!NOTE]
+> When you are using [Custom parameters in the workspace template](https://learn.microsoft.com/en-us/azure/synapse-analytics/cicd/continuous-integration-delivery#create-custom-parameters-in-the-workspace-template) and the custom parameter file extracts a large number of parameters such as refrenceName in Microsoft.Synapse/workspaces/notebooks resources and referenceName in Microsoft.Synapse/workspaces/sqlscripts resources, you will receive below warning from Synapse Studio when you have large number of mentioned workspace artifacts:
+>     
+> **Your ARM template exceeds the limit of 256 parameters. Please use custom parameters in your ARM template if you need to do CI/CD integration.**       
+> ![Parameters exceed limit](media/parameters-exceed-limit-warning.png)      
+>       
+> Please note that above message is a warning and it will not block the template generation and will not block the CI/CD process as well. All new changes will still be updated to the templates.
+
 ## Switch to a different Git repository
 
 To switch to a different Git repository, go to Git configuration page in the management hub under **Source control**. Select **Disconnect**.
@@ -275,4 +283,4 @@ If the publish branch is out of sync with the collaboration branch and contains
 ## Next step
 
 > [!div class="nextstepaction"]
-> [Implement continuous integration and deployment](continuous-integration-delivery.md)
+> [Implement continuous integration and deployment](continuous-integration-delivery.md)