Under development for future release.
You can create promotions (discount codes) that apply to the entire order, within any date restrictions that you define. Currently, this percentage discounting applies to every order line in the cart, without type-specific exclusions.
To create a promotion, you need access to the Promotion Creator iPart, which enables you to create and manage promotion codes that give a percentage discount.
Applying promotions
The Promotion Manager iPart lets you make use of the discounts that you define using the Promotion Creator. It lets shoppers enter a promotion code to apply to their entire order. When the code is valid, the order lines update to the new reduced amounts. The iPart hides itself if no promotions have been defined or if the cart is empty.