If you want to offer additional services to your customers during the appointment booking process, then go to Zovonto Pro -> Modules -> Service Extra

* After enabling this module, go to each Service to configure the Service Extras.

* Click Add Service Extra button to add a new Service Extra

* Update the Service Extra with Price, Quantity, etc. If Duration has to be added, then select the duration or else if there is no duration for the service extra, then set it as OFF.

* If you want the additional services to modify the time slots when a service extra is chosen then go to Taugun Pro -> Modules -> Service Extras -> Settings

* In “Slot Modification Behavior After choosing Service Extras” option, set the value as “Modify Available Slots”. if you don’t want to modify the time slots, then select “Don’t Modify the Available Slots”.