Merge pull request #89382 from jakaruna-MSFT/patch-41

(AzureCXP) resolves MicrosoftDocs/azure-docs#39077

Author: PRMerger7

articles/virtual-machines/extensions/custom-script-windows.md

@@ -65,7 +65,7 @@ These items should be treated as sensitive data and specified in the extensions
 {
     "apiVersion": "2018-06-01",
     "type": "Microsoft.Compute/virtualMachines/extensions",
-    "name": "config-app",
+    "name": "virtualMachineName/config-app",
     "location": "[resourceGroup().location]",
     "dependsOn": [
         "[concat('Microsoft.Compute/virtualMachines/', variables('vmName'),copyindex())]",
@@ -97,6 +97,9 @@ These items should be treated as sensitive data and specified in the extensions
 > [!NOTE]
 > Only one version of an extension can be installed on a VM at a point in time, specifying custom script twice in the same Resource Manager template for the same VM will fail.
 
+> [!NOTE]
+> We can use this schema inside the VirtualMachine resource or as a standalone resource. The name of the resource has to be in this format "virtualMachineName/extensionName", if this extension is used as a standalone resource in the ARM template. 
+
 ### Property values
 
 | Name | Value / Example | Data Type |