Use the Optimizely Customized Commerce Marketing system to create discounts and promotions that you can be apply to products, orders, or shipping. Typically, promotions are created and managed by marketing and catalog managers, and other users who handle pricing and discounts. The marketing features let you create campaigns with unique and compelling discounts. Discounts are typically based on a percentage or fixed value. You can target discounts to specific customers, time periods, or markets.