Update tutorial-create-custom-lab.md

2. Updated "Tutorials: Setup a Lab" page. Screenshot needs to be updated.

Author: anishtrakru

articles/devtest-labs/tutorial-create-custom-lab.md

@@ -44,6 +44,7 @@ To create a lab in Azure DevTest Labs, follow these steps.
    |**Resource group**|Select an existing resource group from the dropdown list, or select **Create new** to create a new resource group so it's easy to delete later.|
    |**Lab name**|Enter a name for the lab.|
    |**Location**|If you're creating a new resource group, select an Azure region for the resource group and lab.|
+   |**Artifacts storage account access**|You can configure whether the lab uses a User-assigned Managed Identity or a Shared Key to access the lab storage account. To use a User-assigned Managed Identity, select the appropriate managed identity from the list, otherwise select the Storage Account Shared Key option from the list.|
    |**Public environments**|Leave **On** for access to the [DevTest Labs public environment repository](https://github.com/Azure/azure-devtestlab/tree/master/Environments). Set to **Off** to disable access. For more information, see [Enable public environments when you create a lab](devtest-lab-create-environment-from-arm.md#set-public-environment-access-for-new-lab).|
 
    :::image type="content" source="./media/tutorial-create-custom-lab/create-custom-lab-blade.png" alt-text="Screenshot of the Basic Settings tab of the Create DevTest Labs form.":::
@@ -162,4 +163,4 @@ If you created a resource group for the lab, you can now delete that resource gr
 To learn how to access the lab and VMs as a lab user, go on to the next tutorial:
 
 > [!div class="nextstepaction"]
-> [Tutorial: Access the lab](tutorial-use-custom-lab.md)
+> [Tutorial: Access the lab](tutorial-use-custom-lab.md)