GoAffPro provides you with the option to assign coupons to affiliates.
To assign coupons to affiliates, go to the Coupons tab in the GoAffPro admin panel.
Here, click on Assign coupon to affiliate, in the Coupon Based Commissions section.
This will open the Create Coupon window.
Now, select the affiliate (to whom you want to assign the coupon) and set the coupon code of your choice.
After this, click on Submit.
Finally, the newly created coupon will appear in the Coupons tab.