Update aks-vmware-system-requirements.md

Author: leslielin-5

AKS-Hybrid/aks-vmware-system-requirements.md

@@ -79,6 +79,11 @@ If you choose to **Enable Kubernetes Service on VMware [preview]** when you **Co
 > [!IMPORTANT]
 > You must use the **default** namespace.
 
+To view the custom location namespace, use the `az customlocation show` command
+```azurecli  
+az customlocation show -g $customLocationResourceGroupName -n $customLocationName
+```
+
 If your custom location was not created with the **default** namespace, use the following command to delete the custom location and create a custom location with the default namespace. To learn more about how to manage custom location, see [Create and manage custom locations](/azure/azure-arc/kubernetes/custom-locations)
 
 Delete the custom location