Add an event trigger that that sets the audio volume to 0. Before that though, you may want to create a variable that gets the previous volume level, so that when you unmute the audio, it will go back to the original volume.
Add an event trigger that that sets the audio volume to 0. Before that though, you may want to create a variable that gets the previous volume level, so that when you unmute the audio, it will go back to the original volume.