NOT SUPPORTED YET. See documentation.
Fare basis, brand, and governing carrier: enter one value for all segments, or comma-separated values in segment order. Leave an entry empty when it does not apply (for example: FLEX, , BASIC).
Fare component refs: comma-separated fare component IDs in segment order (for example: fc1, fc2). A single value applies to all segments.
Define itinerary candidates to validate. Each itinerary can include one or more journey legs and each journey contains one or more flights.