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.
apiKey + environment + reservationId + userId
|Your public apiKey needs to be included in every request.
|"test" or "production"
|The userId is a reference to the user (museum / attraction). The userId can be requested via getAvailableUsers and can be cached in your application.
|Include the reservationId from the cancelCompleteReservation request.
|The HMACKey is calculated based on the input fields.
|Indicates if the request was successfully executed.