Hi @keith-donnel / anyone. I'm trying to achieve this as well (Kentico 8.2) but am not getting very far as there doesn't seem to be a "ShoppingCartInfoProvider.SetShoppingCartItemInfo" method?
I've dug through the API docs and can't seem to find any other way to get from a ShoppingCartItemParameters object to a ShoppingCartItemInfo object other than by using "SetShoppingCartItem", which updates existing records in the cart (which I don't want).
Any help would be greatly appreciated.