| Type : AirSearchPrefsType-BookingSeatPref | 
| Definition | 
| The booking class seat preferences. (Defined in file OTA_AirPreferences.xsd , or a file it imports) | 
| Attributes | |||
| SeatsNeeded | The number of seats needed for the designated booking class. | ||
| Attribute Group : BookingClassPrefOptionalGroup | |||
| PreferLevel | Used to indicate a level of preference for an associated item. | ||
| ResBookDesigCode | Booking class codeUsed for an Alpha String, length 1 to 2 (for letter codes). | ||
| ResBookDesigCodeType | To specify the types of RBD's (Res Book Desig Codes) that should be returned as opposed to a specific RBD. | ||
| Parents | 
| \OTA_AirAvailRQ\OriginDestinationInformation\TravelPreferences |