Update virtual-machine-scale-sets-change-upgrade-policy.md

Author: mimckitt

articles/virtual-machine-scale-sets/virtual-machine-scale-sets-change-upgrade-policy.md

@@ -26,6 +26,14 @@ If using a rolling upgrade policy, see [configure rolling upgrade policy](virtua
 
 :::image type="content" source="../virtual-machine-scale-sets/media/upgrade-policy/change-upgrade-policy.png" alt-text="Screenshot showing changing the upgrade policy and enabling MaxSurge in the Azure portal.":::
 
+### [CLI](#tab/cli)
+Update an existing Virtual Machine Scale Set using [az vmss update](/cli/azure/vmss#az-vmss-update) and the `--set` parameter. 
+
+If using a rolling upgrade policy, see [configure rolling upgrade policy](virtual-machine-scale-sets-configure-rolling-upgrades.md) for more configuration options and suggestions.
+
+```azurecli-interactive
+az vmss update --name myScaleSet --resource-group myResourceGroup --set upgradePolicy.mode=manual
+```
 
 ### [PowerShell](#tab/powershell)
 Update an existing Virtual Machine Scale Set using [Update-AzVmss](/powershell/module/az.compute/update-azvmss) and the `-UpgradePolicyMode` to set the upgrade policy mode.