| HotelStay | Where the guests are staying, allowing the vendor to decide the appropriate pickup point. |
 ItemReferences | A collection of trading partners' references to identifiy the activities. |
| NegotiatedPrice | The price agreed between the two parties.The total amount charged for the service including additional amounts and fees. |
| SellingPrice | The price sold to the end consumer, in case the end supplier must communicate with the customer.The total amount charged for the service including additional amounts and fees. |
 SpecialRequest | Any special requests against this particular item.A collection of SpecialRequest objects. The collection of all special requests associated with any part of the reservation (the reservation in its entirety, one or more guests, or one or more room stays). Which special requests belong to which part is determined by each object's SpecialRequestRPHs collection. |
| SubAllocation | If traveler suballocation is allowed (see Capabilities), the set of travelers booking this item. |