In your coupon management, you will see a list of all created coupons.

Right next to the name of the action you see the code. You can also find it in the edit mode. To copy the code easily, click on the sheet symbol.

Once you have distributed the code to your customers, they can redeem it before completing the booking with online payment. The amount is automatically reduced by this amount. Discounts can only be redeemed when booking with online payment.