public ResponseClass DeserializeItemConditionalDiscount_discountOnExtra(Guid sessionID, Guid storeID, Guid itemID, int durationInDays, int minItems, int extraItems, double discountForExtra)
{
string jsonAnswer = marketFacade.AddItemConditionalDiscount_MinItems_ToDiscountOnExtraItems(
sessionID, storeID, itemID, durationInDays, minItems, extraItems, discountForExtra);
ResponseClass response = JsonConvert.DeserializeObject <ResponseClass>(jsonAnswer);
return(response);
}