Calculates value of the unit discount when it is applied to the given shopping cart item.
            
Namespace: CMS.EcommerceAssembly: CMS.Ecommerce (in CMS.Ecommerce.dll) Version: 8.0.0.0 (8.0.5239.26125)
Parameters
- item
 - Type: CMS.Ecommerce ShoppingCartItemInfo
Shopping cart item 
- discount
 - Type: CMS.Ecommerce IItemDiscount
Discount data 
- basePrice (Optional)
 - Type: 
System Double
Price to apply discount to. 
Return Value
Type:See Also