public async void GetAAID() { HmsInstanceId hmsInstanceId = HmsInstanceId.GetInstance(this); Task <AAIDResult> idTask = hmsInstanceId.GetAAIDAsync(); var result = await idTask; if (idTask.IsCompleted && idTask.Result != null) { txtResult.Text = "Your Id: " + result.Id; Console.WriteLine("AAID retrieved successfully: " + result.Id); } else { Console.WriteLine("AAID retrieved failed: " + idTask.Result); } }