Mobile notification not repeating

The notification is not repeated
is doing something annoying what does that mean? either put the package in order or don't put it in




void CreateNotifChanel()
{
var c = new AndroidNotificationChannel()
{
Id = "notifi",
Name = "playreminder",
Importance = Importance.High,
Description = "Reminds the player to play the game",
};
AndroidNotificationCenter.RegisterNotificationChannel(c);

}

void SendNotification()
{
var notification = new AndroidNotification();
notification.Title = "Help the Balls cross the realms";
notification.Text = "Play Now and Unlock levels and stars";
notification.FireTime = System.DateTime.Now.AddSeconds(10); new System.TimeSpan(0, 0, 10);
notification.SmallIcon = "icon_0";
notification.LargeIcon = "icon_1";
notification.ShouldAutoCancel = true;


AndroidNotificationCenter.SendNotification(notification, "notifi");

It doesn't work on anything

}