Unity - Parse Callback in Main thread

gistfile1.txt

		System.Threading.Tasks.Task queryTask;
			
		try {
			queryTask = ParseObject.SaveAllAsync (rewards);
		} catch {
			queryTask = null;
		}

		if (queryTask != null) {

			while (!queryTask.IsCompleted)
				yield return null;

			if (queryTask.IsFaulted || queryTask.IsCanceled) {
				// Handle error
				print ("isFault");
				using (IEnumerator<System.Exception> enumerator = queryTask.Exception.InnerExceptions.GetEnumerator()) {
					if (enumerator.MoveNext ()) {
						ParseException error = (ParseException)enumerator.Current;
						print ("error " + error.Message);
						// error.Message will contain an error message
						// error.Code will return "OtherCause"
					}
				}
			} else {
				// Handle success
				print ("complete");
				
			}

		} else {
			print ("cannot save to cloud!");
		}