TileUpdater.RemoveFromSchedule | removeFromSchedule method

tileUpdater.removeFromSchedule(scheduledTile);

var notifier = Notifications.TileUpdateManager.createTileUpdaterForApplication();
var scheduled = notifier.getScheduledTileNotifications();

for (var i = 0, len = scheduled.length; i < len; i++) {
    
    // The itemId value is the unique ScheduledTileNotification.Id assigned to the 
    // notification when it was created.
    if (scheduled[i].id === itemId) {
        notifier.removeFromSchedule(scheduled[i]);
    }
}