Create a Coupon:
Go to "Sites" or "Courses" depending on where you want to create the coupon.
Scroll down to the "Coupons" section and click on it.
This will take you to the Zenler coupon area. Click on "Create a Coupon".
If you have already created a coupon, you can add a new coupon by clicking on "Add Coupon".
Also, watch the video on 'Creating Coupons in Zenler'