Affiliate Coupons links one or more coupons to the affiliate. Effects:

• The affiliate sees those codes in their Affiliate Configuration page (Coupon Code and full Coupons Info with type, value, limits and allowed ordering systems) so they can hand them out.
• When an order uses one of those coupons, the commission for that order goes to the coupon's affiliate — even if the customer was not attributed to them via the link — and a commission record is created for that affiliate on the order. (The order itself is only tagged with an affiliate when the buyer's own account is attributed via the link or a manual assignment; a coupon-only match doesn't set that tag, but the commission is still recorded and shows up in the Affiliates Report.)
• A coupon can belong to only one affiliate; the dropdown only offers unassigned coupons (plus this affiliate's own). Saving with a new, non-empty selection clears the previous coupon assignments and applies the new one.

The list page shows assigned coupons as badges and counts affiliates With Coupons in a KPI. The field requires the Edit Coupons's permission.