public ResponseClass DeserializeOpenDiscount(Guid sessionID, Guid StoreID, Guid itemID, double discount, int durationInDays)
{
string jsonAnswer = marketFacade.AddOpenDiscount(sessionID, StoreID, itemID, discount, durationInDays);
ResponseClass response = JsonConvert.DeserializeObject <ResponseClass>(jsonAnswer);
return(response);
}
