| GuestCounts | A collection of GuestCount by age group.A collection of GuestCount by age group. |
| PassengerRPHs | Details of individual passengers in a room; may be used instead of GuestCounts. |
 Prices | A collection of room-based passenger-level prices. These will be either actual prices or supplemental charges dependent on the SupplementIndicator attribute. When these are actual prices, they may be by MealPlan (e.g., room prices on HalfBoard arrangement, together with prices on Full Board). |
| RoomAmenity | This element is used to pass room attributes. Typical attributes are smoking, non-smoking, wheelchair access, room location (low floor, high floor, close to elevator, etc) and view (garden, pool, ocean, etc.)Indicates preferences for hotel room amenities. |
| BookingCode | Used to specify the booking code for which availability is requested. |
| CotQuantity | The number of cots/cribs available in a room/apartment etc.Used for Numeric values, from 0 to 4 inclusive. |
| Description | A full description of the room/apartment etc. |
| FreeChildFlag | Indicates whether a free child is permitted in a room/apartment etc. |
| MaxAdults | Maximum number of adults allowed in a unit of accommodation. |
| RatePlanCandidateRPH | Used to refer to the Rate Plan Candidate associated with this room stay. |
| RPH | A unique identifier for this room stay candidate. |
| EffectiveDate | Indicates the starting date. |
| ExpireDate | Indicates the ending date. |
| ExpireDateExclusiveInd | When true, indicates that the ExpireDate is the first day after the applicable period (e.g. when expire date is Oct 15 the last date of the period is Oct 14). |
| MaxOccupancy | Maximum number of persons allowed in a unit of accommodation or place. |
| MinOccupancy | Minimum number of persons allowed in a unit of accommodation or place.Used for Numeric values, from 0 to 99 inclusive. |
| BedTypeCode | Indicates the type of bed(s) found in the room. Typical values would be Double, Twin, Queen, or King. Refer to OpenTravel Code List Bed Type Code (BED).List of OpenTravel Codes. |
| Composite | Indicates that the room (suite) is a composite of smaller units. |
| Configuration | Textual description of room configuration. |
| Floor | Floor on which the room is located. |
| InvBlockCode | A code or identification number that identifies the room stay as part of a group, package tour, or block of rooms designated in the inventory. |
| NonSmoking | Non-smoking indicator. |
| PromotionCode | Promotion code is the identifier used by the host to link directly with a specific named advertising campaign. By including the required code, the client is able to gain access to special offers which may have been created for a specifically targeted group via a CRM system or for a wider advertising campaign using Television or press adverts. |
| PromotionVendorCode | List of the vendor codes associated with a promotion. |
| Quantity | Defines the number of the item in question.Used for Numeric values, from 1 to 9999 inclusive. |
| RoomArchitectureCode | Specifies the architectural style of a room. Refer to OpenTravel Code List Architectural Style Code (ARC). |
| RoomCategory | Indicates the category of the room. Typical values would be Moderate, Standard, or Deluxe. Refer to OpenTravel Code List Segment Category Code (SEG). |
| RoomClassificationCode | Specifies the room classification (e.g., cabin, apartment). Refer to OpenTravel Code List Guest Room Info (GRI). |
| RoomGender | Used to request or specify a gender assignment for a room. Note: Typically used by Hosteliers. |
| RoomID | A string value representing the unique identification of a room if the request is looking for a specific room. |
| RoomLocationCode | Indicates the location of the room within the hotel structure. Typical values would be "Near Exit","Close to elevator", "Low Floor" or "High Floor". Refer to OpenTravel Code List Room Location Type (RLT). |
| RoomType | (Formerly, RoomInventoryCode) A code value that indicates the type of room for which this request is made, e.g.: double, king, etc. Values may use the Hotel Descriptive Content table or a codes specific to the property or hotel brand. |
| RoomTypeCode | Specific system room type code, ex: A1K, A1Q etc. |
| RoomViewCode | Indicates the view of the room. Typical values would be "Ocean view", "Pool view" or "Garden View". Refer to OpenTravel Code List Room View Type (RVT). |
| SharedRoomInd | If TRUE, the room requires or has sharing available. Note: Typically used by Hosteliers. |
| SizeMeasurement | Textual description of room dimensions. |