StateVars {
GroupMute
GroupVolume
GroupVolumeChangeable
A_ARG_TYPE_InstanceID
A_ARG_TYPE_VolumeAdjustment
}
Actions {
GetGroupMute(InstanceID: ui4) -> (CurrentMute: Boolean)
SetGroupMute(InstanceID: ui4, DesiredMute: Boolean)
GetGroupVolume(InstanceID: ui4) -> (CurrentVolume: 0..=100)
SetGroupVolume(InstanceID: ui4, DesiredVolume: 0..=100)
SetRelativeGroupVolume(InstanceID: ui4, Adjustment: i4) -> (NewVolume: 0..=100)
SnapshotGroupVolume(InstanceID: ui4)
}