Reserves tickets for an event.
The reserve() function returns a Promise that resolves to a
ReservationResponse when the tickets have been reserved.
Retrieve ticket IDs to specify which tickets to reserve from the Events/Tickets collection. Each ticket must have a unique ID.
Note: To work with the Wix Events API, you need to publish your site.
Note:
You can use the backend createReservation() function to reserve tickets.
ID of the event to reserve tickets for.
Tickets to reserve.