1 0 SetVolume InstanceID in InstanceID Channel in Channel DesiredVolume in Volume GetVolume InstanceID in InstanceID Channel in Channel CurrentVolume out Volume SetMute InstanceID in InstanceID Channel in Channel DesiredMute in Mute GetMute InstanceID in InstanceID Channel in Channel CurrentMute out Mute InstanceID ui4 Channel string Master LF RF Volume ui2 50 Mute boolean 0