To see this option, you’ll need to have at least one deposit set up, and stripe connected - as we’d need to have something to discount first.
It should look like this (colours may vary depending on theme):
If you don’t see the “Add Coupon” or “Add Gift Code” button, make sure they haven’t been disabled in your “Look & Feel” settings, in the “Booking Page Options → Hide Voucher Code Field"" section.
