Indicates the type of promotion based on the customer-facing experience. Possible values include: - COUPON: The offer has a live coupon that customers can clip and apply at checkout. - DEAL: The offer has a live deal (for example, Lightning Deal or Best Deal). Deals are time-limited, require meeting quality criteria, and automatically apply a discount when the customer purchases the item. - BASKET_BUILDING: The offer has a basket-building (multi-quantity) promotion where customers purchase multiple quantities of the same or different qualifying items to receive a discount on eligible items. Promotions created in Seller Central -> Advertising -> Manage Promotions fall into this category
Optionalpurchase
A promotion applicable to the offer.