This method will update temporary reservations in memory using the parameters passed in. This is so we can check for availability and hold inventory and we have not yet committed to making the changes to the booking. This method is not supported within the api web interface due to the complex XML required to call it.
|format||enumeration||(optional) Set this value to "xml" for XML raw formatted output, "xml-clean" for XML tidy formatted output or "json" for JSON formatted output. If not passed, "xml" is used as a default|