Add-ons are powerful components, that you can add to allow your clients to choose when making appointments that can increase the purchase price of the appointment and/or duration of the appointment.
You are able to create and manage add-ons to your customers, you can set this up under the "Set Up" page and choose on “Services” / Add-Ons and click “Add”-Ons:
Click on the “Create New Add-on” button:
Where you are able to set up the following information:
The add-on name
Description of the add-on
Price of the add-on
Duration in minutes
You can allow clients to select from booking form
Services - this can be applied to all services or certain services booked
When you are finished, click "Save" to add the new Add-on.