| ClassOfService | Class of service booked by the traveler, e.g. first, business, economy. |
| CorporateClient | Traveler is an employee with a preferred or negotiated rate corporate account. |
| FareClass | |
| FrequentGuest | |
| FrequentTraveler | |
| LoyaltyMemberTimePeriod | |
| LoyaltyProgramLevel | |
| Other_ | This is a string list of enumerations with an "Other_" literal to support an open enumeration list. Use the "Other_" value in combination with the @OtherType attribute to exchange a literal that is not in the list and is known to your trading partners. |
| PreferredClient | |
| PremiumOfferPurchase | |
| TripPrice | |
| TripPurpose | |
| UpgradePurchased | |
| VIP | |
|