Synth Controlling UGens
the UGens listed here can affect a node's state from within the synth,
they can free or pause nodes, for example.
Done
FreeSelf
PauseSelf
FreeSelfWhenDone
PauseSelfWhenDone
Pause
Free
UGens with a doneAction
EnvGen
Linen
Line
XLine
DetectSilence
Duty
TDuty
DemandEnvGen
PlayBuf
See UGen-doneActions for more detail on done actions.