xkaraman left a comment (kamailio/kamailio#4250)
yep i got mutiple other events emitted and confirmed that the define is used ofc!
I did some review of the code as well it should be what you described, but it seems something else is missing!
Initiating an INVITE from rpc as described above, yields a local request event for the INVITE and logging it but not for the ACK. I can see the ACK message using the `sngrep` sent but not the event.