| ExistsCode | This attribute is used to explicitly define whether an amenity or service is offered. Refer to OpenTravel Code list Option Type Code (OTC). This is used in conjunction with RoomAmenity. |
| QualityLevel | Used to designate the quality level of the RoomAmenity e.g., premium, deluxe, standard, economy. |
| RoomAmenity | Identifes the types of room amenities offered by the property. Refer to OpenTravel Code List Room Amenity Type (RMA). |
| RoomGender | Used to request or specify a gender assignment for a room. Note: Typically used by Hosteliers. |
| SharedRoomInd | If TRUE, the room requires or has sharing available. Note: Typically used by Hosteliers. |
| PreferLevel | Used to indicate a level of preference for an associated item. |
| Quantity | Used to define the quantity for an associated element or attribute. |