Optionaldelivered_When delivery completed successfully (ISO 8601).
Optionaldelivered_ID of the message created by a successful delivery (msg_...).
Optionallast_Stable public error code for the most recent failed delivery attempt.
OptionalmessageSource message ID (msg_...) when the delivery is a reply.
Current delivery lifecycle status.
OptionalthreadDestination thread ID (thr_...) when delivery was requested.
Normalized delivery mode.
Normalized destination and status for an agent routine run's final-result delivery.