/**
 * @schema StoreCartAddPromotion
 * type: object
 * description: The promotion's details.
 * required:
 *   - promo_codes
 * properties:
 *   promo_codes:
 *     type: array
 *     description: Promotion codes to add to the cart.
 *     items:
 *       type: string
 *       title: promo_codes
 *       description: A promotion code.
 * x-schemaName: StoreCartAddPromotion
 * 
*/