private void SendMessage(string attach = "") { var message = new ChatMessage() { IsYourMessage = true, Text = NewMessageText, AttachImg = attach, UserName = UserCurent.Name, UrlPhoto = UserCurent.UrlPhoto }; ChatMessages.Add(message); MessagingCenter.Send <ChatVM>(this, "ScrollToEnd"); _chatService.SendMessage(message); _firebaseDatabase.SetValue(nodePath + "/" + message.Id, message); NewMessageText = ""; }