Merge pull request #47129 from susairajs/susairajs-XamarinformsAzureDoc

Update app-service-mobile-xamarin-forms-get-started-push.md

Author: ktoliver

articles/app-service-mobile/app-service-mobile-xamarin-forms-get-started-push.md

@@ -198,7 +198,7 @@ With the back end configured with FCM, you can add components and codes to the c
             intent.AddFlags(ActivityFlags.ClearTop);
             //Unique request code to avoid PendingIntent collision.
             var requestCode = new Random().Next();
-
+            var pendingIntent = PendingIntent.GetActivity(this, requestCode, intent, PendingIntentFlags.OneShot);
             var notificationBuilder = new NotificationCompat.Builder(this)
                 .SetSmallIcon(Resource.Drawable.ic_stat_ic_notification)
                 .SetContentTitle("New Todo Item")