Never use "Trigger once" with objects that have multiple instances. This will not work correctly.
If you don't want the sounds to overlap, use inverted "Audio Tag is playing" conditon.
> Platform is flashing
Audio Tag "bloop" is NOT playing
.... Audio play Bloop with tag "bloop"
thank you so much, i tryed and it's perfectly work.
this topic can be closed and mark as solved :)