public async void OnSave()
        {
            MessageDatabase db = new MessageDatabase(dbPath);

            if (CheckFields())
            {
                var SaveMessage = await db.GetMessageAsync(emergencyName);

                SaveMessage.MessageTemplate = messageTemplate;
                DependencyService.Get <IToast>().Toasts("updateMessage", db.UpdateMessage(SaveMessage));
            }
            else
            {
                DependencyService.Get <IToast>().Toasts("updateMessage", "failed");
            }
            await PopupNavigation.Instance.PopAsync(true);
        }