so the preferred solution here would be create an mod option soundlevel_for_alerts [1 100] and do something like

play_sounds(... volume_modifier=(factor * soundlevel_for_alerts / 100))

instead of suggested:

play_sounds(type=alert, ...) -- tells the call use alert audio level of main settings ...

It doesn't care what it was originally meant for.

Yep and this is why I ask for addition of type. It would be enough to specify of the existing ones. As said if a mod plays alerts it would be nice to use play_sound(type=alert, .... ) to map to volume of alerts of audio settings. No new categories ...

TL;DR
The modding API missing type of sound to play which results in mods throw alerts use audio config of effect-sounds.


What ?
Suggestion is just to add "type" to the api call (player.play_sounds not sure if game.play_sounds require it too, as there it all might be alerts?) to specify an ...