IATA main code
>= 3 characters<= 3 characters
IATA sub code
>= 3 characters<= 3 characters
Default:0
>= 0<= 499
Specifies which field to use for sorting. Allowed fields are
iataMain, iataSub, longDescription and shortDescription. Use plus or minus
sign to indicate ascending or descending order.
Match pattern:^((\+|-| )?(iataMain|iataSub|longDescription|shortDescription)(,|$))+$
Default:+iataMain
<= 25 characters