| AlternativeInd | When true, this is an alternate form of transportation. |
 ReservationClass | Specifies class, such as Coach, Premium and Sleeper. |
| ReservationType | Specifies the type of the reservation. |
| VehicleType | Specifies the type of the vehicle or bus. |
| Code | Use a value from the specified OpenTravel Code List or a string up to 8 characters in length that has been agreed upon by Trading Partners.This type allows either a value from an OpenTravel Code List or a string up to 8 characters in length. |
| CodeContext | Identifies the source authority for the code. |
| Quantity | The quantity for the specified code. |