Coupons
Your site developer can extend click-required discounts for offering coupons. One way to implement discount coupons is to evaluate the coupon code, and then retrieve the appropriate campaign_item_id. The campaign item is then added to the Discounts_clicked simplelist. You can also enable coupon functionality using banner ads. When the user clicks on the banner, a multi-use coupon is added to the basket, as well as the item you are promoting.
If you want to create coupons that can only be used once per user account, you can track the list of coupons a user receives as a multi-valued user property. You then build an eligibility requirement expression such as “user.couponsredeemed does not contain <id>”.
See Also
Specifying the Discount Display
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