(Azure CXP) resolves MicrosoftDocs/azure-docs#46031

fixed bug in code sample from "--api-permissions $oAuthPermissionId=Scope" to "--api-permissions ${oAuthPermissionId}=Scope"

Author: VikasPullagura-MSFT

articles/aks/azure-ad-integration-cli.md

@@ -119,7 +119,7 @@ oAuthPermissionId=$(az ad app show --id $serverApplicationId --query "oauth2Perm
 Add the permissions for the client application and server application components to use the oAuth2 communication flow using the [az ad app permission add][az-ad-app-permission-add] command. Then, grant permissions for the client application to communication with the server application using the [az ad app permission grant][az-ad-app-permission-grant] command:
 
 ```azurecli-interactive
-az ad app permission add --id $clientApplicationId --api $serverApplicationId --api-permissions $oAuthPermissionId=Scope
+az ad app permission add --id $clientApplicationId --api $serverApplicationId --api-permissions ${oAuthPermissionId}=Scope
 az ad app permission grant --id $clientApplicationId --api $serverApplicationId
 ```