> Does this mean if controller wants edvisory status,
> all the response messsages MUST have the
> type = Advisory
No. If the controller asks for STATUS_WARNING, then the responder should returns any status message of type STATUS_ERROR first, followed by STATUS_WARNING. Each status message is sent with the level matching its severity.
This allows the controller to know which messages are the most important. A controller might choose to show STATUS_ERROR in bright red text, STATUS_WARNING in a little notification window, and STATUS_ADVISORY in a hidden log file somewhere.
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