Description:

With this functionality you can create a reservation.

Note
Reservations are by default valid for 15 minutes. Please use “reservationValidUntil” to prevent errors at the completeReservation method.

HMAC calculation:
Base64 encode - SHA256(apiKey + ticketTypeId + ticketNumber + ticketDate + ticketTime)
only include optional params in the HMAC if you are using those params.