属性
数据类型ID
必须?Optional
Codes (7)
- 1First class, Highest class of service (First Class Category)
- 2Second class, Medium class of service (Business Class Category)
- 3Third class, lowest class of service (all economy/coach class categories)
- 4Economy/coach premium
- 5Economy/coach
- 6Economy/coach discounted
- 7All