private async void ValidateResponseCities(ResponseCities response)
        {
            Cities = new ObservableCollection <City>();

            if (await validatorService.ValidateResponse(response) == false)
            {
                return;
            }

            Cities = new ObservableCollection <City>(response.Cities);
        }
        private async void LoadCities()
        {
            dialogService.ShowProgress();
            RequestCities request = new RequestCities
            {
                DepartamentCode = DepartamentSelected.Code
            };
            ResponseCities response = await apiService.GetCities(request);

            ValidateResponseCities(response);
            dialogService.HideProgress();
        }