private async void Submit_Clicked(object sender, EventArgs e) { FeedbackModel feedback = new FeedbackModel(); var uid = await _firebaseAuth.GetCurrentUser(); // Get input feedback.Key = "00"; feedback.Subject = subject.SelectedItem.ToString(); feedback.Body = body.Text; feedback.Date = DateTime.Today.Date.ToString(); feedback.Status = false; feedback.UserUID = uid; _firebaseDatabase.SubmitFeedback(feedback); await Navigation.PopAsync(); }