| Description | Description of the sellable product.An indication of a new paragraph for a sub-section of a formatted text message. |
| DestinationSystemCodes | A collection of destination system codes. These are systems for which this Sellable product is targeted. |
 GuestRoom | Guest room information if this sellable product is a guest room.GuestRoomType is used to contain all the information on a guest room. |
| InventoryBlock | Inventory block information if this sellable product is an inventory block. |
| MeetingRooms | Meeting room information if this sellable product is a meeting room.A collection of MeetingRoom objects that provide the codes and description of the meeting rooms in the hotel. |
| UniqueID | The SellableProduct class defines the inventoriable item for this rate plan.An identifier used to uniquely reference an object in a system (e.g. an airline reservation reference, customer profile reference, booking confirmation number, or a reference to a previous availability quote). |
| InvGroupingCode | The identification of the inventory grouping. Whether to use the sending/querying or the receiving/responding system's identification depends on which system is doing the translating. |
| InvNotifType | An enumerated type that indicates whether this is a new inventory item or an update of an existing inventory item. Values: New, Delta modification, Full overlay modification. |
| InvStatusType | An enumerated type that indicates the status of the inventory item, ie: whether this notification is an initial announcement of a new inventory item, an update of an active (bookable) inventory item, or a notification of an inventory item that is no longer in effect. Values: Initial, Active, Deactivated. |
| OrderSequence | The order which the items should be acknowledged by the receiving entity. |
| RPH | This is a reference placeholder, used as an index for this sellable product. |
| 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. |
| InvCode | Code that identifies an inventory item. |
| InvCodeApplication | An enumerated type that identifies whether the InvCode is a single item which can be inventoried or a group of items which can be inventoried. Values are: Does Not Apply, Inventory Code, Inventory Grouping Code. |
| InvType | A value that indicates the type of inventory for which this request is made. If the inventory item is a room, typical values could be double, king, etc. |
| InvTypeCode | Specific system inventory type code. If the inventory item is a room, typical values could be room type code, e.g.: A1K, A1Q etc. Values may use the OpenTravel Code list or a code specific to the property or hotel brand. |
| IsRoom | Simple indicator to detect if inventory is a room. |