public async Task Update() { Subscription subscription = await Client.GetDefaultSubscriptionAsync(); ResourceGroup rg = await subscription.GetResourceGroups().GetAsync("DeviceUpdateResourceGroup"); DeviceUpdateAccount account = await rg.GetDeviceUpdateAccounts().GetAsync("AzureDeviceUpdateAccount"); DeviceUpdateInstance instance = await account.GetDeviceUpdateInstances().GetAsync("Instance"); TagUpdateOptions updateOptions = new TagUpdateOptions(); updateOptions.Tags.Add("newTag", "newValue"); DeviceUpdateInstance updatedInstance = await instance.UpdateAsync(updateOptions); ResourceDataHelper.AssertInstanceUpdate(updatedInstance, updateOptions); updateOptions.Tags.Clear(); updatedInstance = await instance.UpdateAsync(updateOptions); ResourceDataHelper.AssertInstanceUpdate(updatedInstance, updateOptions); }