Important: This plugin is an add-on that requires the Bookly PRO installed and activated. View Bookly PRO page at Codecanyon. The Bookly Service Extras add-on allows customers to book extra items for selected services. After installation and setup of the add-on customers will see a new step “Extras” after the Service step in the Bookly form.
Demo: https://codecanyon.net/item/bookly-service-extras-addon/15552320