By using category_ids option of the booking form shortcode you can display only certain categories and services that will be available for your clients. This will help you if you offer many categories & services and you wish to create different pages for each one of your services. For example: A page for Massage another one for Facials etc etc.
The following example displays only two categories Hair & Massage.
Note: This is available only on Personal, Professional and Ultimate versions.
Please select service, date and provider then click on the Find Appointments button.