The seller must include this field and set it to 'Add' to create a new promotional sale, or set it to 'Update' to modify an existing promotional sale, or set it to 'Delete' to delete a promotional sale.
See the Field Index to learn which calls use Action.
This container must be included in each SetPromotionalSale call. The fields of this container that will be used will depend on whether the seller is adding a new promotional sale, updating an existing promotional sale, or deleting an existing promotional sale.
See the Field Index to learn which calls use PromotionalSaleDetails.
