OptionaladditionalProgressive discount tiers offering increased benefits as customers purchase more. For example: buy 2 get 10% off, buy 3 get 15% off. For multi-tier BASKET_BUILDING promotions, each tier specifies additional purchase conditions and corresponding discounts beyond the first tier (defined in benefit.discount and purchaseRequirements.condition).
OptionalbenefitThe quantity of items from the benefit selection that receive the discount after the customer satisfies purchase conditions. This property is specific to BASKET_BUILDING promotions.
OptionaldiscountOptionalperThe maximum number of uses per customer for this promotion.
OptionalstackingWhether this benefit can be stacked with other promotions.
Promotion-level benefit configuration. Applicable to
COUPONandBASKET_BUILDINGpromotion types, where the benefit applies uniformly across all items in the promotion. ForDEALandPRICE_DISCOUNTpromotion types, benefits are configured at the item level within each item in the selection.