post https://globalreseller.nl/webservices/cancelCompleteReservation
Description:
With this function you can cancel a complete reservation. This is only possible with a valid reservationId and if the user allows to cancel a complete reservation.
HMAC calculation
Baseball 64 encode - SHA256 (apiKey + environment + reservationId + userId)
- Sort the sign data alphabetical ascending, you can also find the sequence on the concerned API specification page.