All Schema files in the OTA specification are made available according to the terms defined by the OTA License Agreement at http://www.opentravel.org/ota_downloads_form.cfm The OTA_HotelRoomListRQ message applies to the group (meetings and conventions) market and the tour (wholesale) market. In both cases, travelers' reservations are booked into blocked space, instead of publicly available room inventory. This message provides the details of the individual guests staying in the blocked rooms. Point of sale object. Identifies the group overall for example the association, tour operator, etc. This is independent of Hotel identification. Collection of RoomList items which may be for multiple hotels or for multiple groups at a single hotel. The Details which guests will occupy the rooms in a room block.