 Price | The selling price of this Service.Base charge and additional charges related to a room that includes such things as additional guest amounts, cancel fees, etc. Also includes Discount percentages, total amount, and the rate description. |
| ServiceDetails | Details on the Service including Guest Counts, Time Span of this Service, pointers to Res Guests, guest Memberships, Comments and Special Requests pertaining to this particular Service and finally financial information related to the Service, including Guarantee, Deposit and Payment and Cancellation Penalties. |
| TPA_Extensions | A placeholder in the schema to allow for additional elements and attributes to be included per Trading Partner Agreement (TPA).Allows extensions to be added to the OpenTravel specification per trading partner agreement. |
| Inclusive | Whether the price for this service is included in the room rate.
Values: False (or No), and True (or Yes). |
| InventoryBlockCode | The representation of the block code under which the inventory for this service is categorized. |
| PriceGuaranteed | Whether the price for this service is guaranteed or quoted and subject to change. Values: False (Price NOT guaranteed) and True (Price is guaranteed). |
| Quantity | The number of tickets, rounds of golf, etc. Also serves as the number of persons when pricing class is per person or per person per night. |
| RatePlanCode | The representation of the rate plan under which this service was booked. |
| RequestedIndicator | When true, the service has been requested by the guest. |
| RequiredInd | When true, the service is required and/or mandatory. |
| ReservationStatusType | An enumerated type that defines the status of the reservation for this service.Statuses that exist in a property management system (PMS). |
| ServiceCategoryCode | The representation of the specific service category for this specific service. |
| ServiceInventoryCode | The representation of the specific service being reserved. |
| ServicePricingType | An enumerated type that defines how a service is priced. Values: Per stay, Per person, Per night, Per person per night, Per use.An enumerated type that defines how a service is priced. Values: Per stay, Per person, Per night, Per person per night, Per use. |
| ServiceRPH | A unique ID for a service that may be referenced elsewhere in the schema. |
 ID | A unique identifying value assigned by the creating system. The ID attribute may be used to reference a primary-key value within a database or in a particular implementation. |
| ID_Context | Used to identify the source of the identifier (e.g., IATA, ABTA). |
| Instance | The identification of a record as it exists at a point in time. An instance is used in update messages where the sender must assure the server that the update sent refers to the most recent modification level of the object being updated. |
| Type | A reference to the type of object defined by the UniqueID element. Refer to OpenTravel Code List Unique ID Type (UIT). |
| URL | URL that identifies the location associated with the record identified by the UniqueID. |