Adds new discounts table row corresponding to given discount and shopping cart based on given base price. Returns calculated discount value.
            
Namespace: CMS.EcommerceAssembly: CMS.Ecommerce (in CMS.Ecommerce.dll) Version: 8.0.0.0 (8.0.5239.26125)
Parameters
- item
 - Type: CMS.Ecommerce ShoppingCartItemInfo
Cart item to add discount row to. 
- discount
 - Type: CMS.Ecommerce IItemDiscount
Discount to be added. 
- basePrice
 - Type: 
System Double
Price to calculate discount from. 
Return Value
Type:See Also