public async Task AddNewMessage(string Sender, string Message) { MessageData data = new MessageData() { Sender = Sender, Message = Message, Received = DateTime.Now }; MainPage.Current.AiMessages.Add(data); if (Sender == MessageData.SENDER_ASSISTANT) { await SpeechToText.TextToSpeechAsync(MainPage.Current.Element, Message); await Task.Delay(2500); } }