AddItemRequestType ( AbstractRequestType )
Base request type for the AddItem call, which is used to create a fixed-price, auction, or classified ad listing. The AddItem call does not support multiple-variation listings, so the AddFixedPriceItem call must be used to create multiple-variation listings.
Call that uses AddItemRequestType:
This container is used to specify all of the values and settings that define a new listing.
See the Field Index to learn which calls use Item.