public async Task <List <PaymentProfile> > GetCreditCardsAsync()
        {
            var result = await serverApiService.GetCreditCardsAsync();

            if (result != null)
            {
                return(result.PaymentProfile);
            }
            else
            {
                await Mvx.Resolve <IUserInteraction>().AlertAsync("Sorry, there is no credit cards for now.", "Warning");

                return(null);
            }
        }