Once you have enabled coupon codes and created one, you must know advertise and let your customers know about the coupon codes.
One approach is to have it appear on the footer of your receipt. To do this you would go to clover.com, setup. This can also be done from your Clover POS.
This is just one way of letting your customers know about your coupon code. You can also post it on social media such as Facebook and Instagram
In order for the coupon codes to work, they must be enabled