public static List <PredictiveItem> GetPredictiveItem(string userId)
        {
            PredictiveService service = new PredictiveService();

            PredictiveServiceRequest request = new PredictiveServiceRequest
            {
                CurrentDate = DateTime.Now.ToShortDateString(),
                UserId      = userId
            };

            return(service.GetPredictiveItemsAsync(request).PredictiveItems);
        }