title: Can MaintenanceTrigger fire a Toast event?
body: <p>My goal to have a task running every 15 mins, even if my program is not started, and have a Toast message if I have to "say" something by the program.</p>
  
  <p>I made Declaration for Background Task, with System Event. The Entry Point is "GS.MT".</p>
  
  <p>I created a namespace called GS, then a class MT, what is IBackgroundTask.</p>
  
  <pre><code>namespace GS
  {
    public sealed class MT : IBackgroundTask
    {
      async public void Run(IBackgroundTaskInstance taskInstance)
      {
        BackgroundTaskDeferral deferral = taskInstance.GetDeferral();
        var toast = NotificationsExtensions.ToastContent.ToastContentFactory.CreateToastText01();
        toast.TextBodyWrap.Text = "FUT!";
        Windows.UI.Notifications.ToastNotificationManager.CreateToastNotifier().Show(toast.CreateNotification());
        deferral.Complete();
      }
    }
  }
  </code></pre>
  
  <p>I register this with this code:</p>
  
  <pre><code>  string triggernév = string.Format("{0} MT", "GS");
    BackgroundTask.EltávolításNévAlapján(triggernév); //remove if exists
    Windows.ApplicationModel.Background.MaintenanceTrigger trigger = new Windows.ApplicationModel.Background.MaintenanceTrigger(15, false);
    BackgroundTaskBuilder builder = new BackgroundTaskBuilder();
    builder.Name = triggernév;
    builder.TaskEntryPoint = "GS.MT";
    builder.SetTrigger(trigger);
    builder.Register();
  </code></pre>
  
  <p>My code runs, my task is registred, but it will never show the toast message. <strong>How can I show the Toast message from the Maintenance trigger's run?</strong></p>