Internal_OptionalonCallback when the sound finishes.
True once the sound has finished playing (naturally or via stop).
The group this sound belongs to.
The tag this sound was created with.
Fade out to silence over duration in seconds, then stop.
Fade to a target volume over duration in seconds.
Set stereo pan (-1 left, 0 center, 1 right).
Set playback rate / pitch shift.
Set playback volume (0-1).
Immediately stop the sound.
Handle for controlling a playing sound in real time.