Yes, you could use ifDescr (what you see in the UI), or ifName - from the database queries earlier which are generally the shorter form, either would work.
I don’t have an interactive way to test currently, but to prove the point, you could use either as below which seems to work for me:
Alert triggered:
All you should really need is this:
You can test on the command line too, you can get the rule ID by hovering over the icon to the left of it on the Alert Rules screen, then in my case, rule 53 testing against device 189:
~$ scripts/test-alert.php -r 53 -h 189
You’ll either get No active alert found or Issuing Alert-UID xxxxx/x: with all the transport information.