private async void SendEmail()
        {
            CanExecuteInitial();

            try
            {
                var user = await CacheAccess.GetSecure <User>(CacheKeys.USER_KEY);

                foreach (var client in Birthdays)
                {
                    await _userAppService.SendBirthdayEmail(client.Email, user.Name);
                }
                UserDialogs.Instance.Toast("Email(s) enviado(s) com sucesso!");
                await PopupAnniversaryHelper.EsconderAsync();
            }
            catch
            {
                UserDialogs.Instance.Toast("Não foi possível enviar os emails, verifique sua conexão.");
            }
            finally
            {
                await NavigationHelper.PopLoading();
            }
            CanExecuteEnd();
        }
        private async void Close()
        {
            CanExecuteInitial();
            await PopupAnniversaryHelper.EsconderAsync();

            CanExecuteEnd();
        }