To display the coupon input field in the registration form:
Click the Coupons are not active red button on the event page.
In the modal that appears, enable the Show Coupon Field in Form toggle.
Enter an optional description for the coupon field to provide context for attendees (e.g., “Enter a valid coupon code to receive a discount on your ticket”).
Click Confirm to fully enable coupons for your event.
Once enabled, attendees will see a coupon input field during registration where they can enter any active coupon codes.