Important: This plugin is an add-on that requires the Bookly PRO installed and activated. View Bookly PRO page at Codecanyon. Want to run special offers to attract new customers and boost sales? Use Bookly Coupons add-on to offer your clients a price discount on specific services. With the Bookly Coupons add-on enabled, your clients will be able to apply a coupon code at the checkout and pay for the service at a reduced price. You can easily create, manage and keep track of all promotional codes directly in Bookly.