| ConfirmationID | |
| EndSeqNmbr | |
| MessageType | |
| RatePlanCode | |
| ReasonForRequest | |
| RequestCode | |
| ReservationID | |
| ResponseValue | |
| StartSeqNmbr | |
| UserName | |
| Duration | The duration datatype represents a combination of year, month, day and time values representing a single duration of time, encoded as a single string. |
| End | The ending value of the time span. |
| Start | The starting value of the time span. |
| AreaID | An identifier of an area as defined by a hotel reservation system. |
| BrandCode | A code that identifies the brand or flag of a hotel, often used for independently-owned or franchised properties who are known by a specific brand. |
| BrandName | The name of a brand of hotels (e.g., Courtyard, Hampton Inn). |
| ChainCode | The code that identifies a hotel chain or management group. The hotel chain code is decided between vendors. This attribute is optional if the hotel is an independent property that can be identified by the HotelCode attribute. |
| ChainName | The name of the hotel chain (e.g., Hilton, Marriott, Hyatt, Starwood). |
| HotelCityCode | The IATA city code; for example DCA, ORD. |
| HotelCode | The code that uniquely identifies a single hotel property. The hotel code is decided between vendors. |
| HotelCodeContext | A text field used to communicate the context (or source of - ex Sabre, Galileo, Worldspan, Amadeus) the HotelReferenceGroup codes. |
| HotelName | A text field used to communicate the proper name of the hotel. |
| TTIcode | TTI hotel reference code. |