(actions tracklist-selections-action)

(tracklist-selections-action-new-create-instrument pl_descr track_pos num_tracks)

Returns a new action for creating an instrument track.

(tracklist-selections-action-new-create-audio-fx-with-plugin plugin_descriptor track_pos num_tracks)

Returns a new action for creating one or more Audio FX tracks with a plugin.

(tracklist-selections-action-new-create-audio-fx track_pos num_tracks)

Returns a new action for creating one or more empty Audio FX tracks.

(tracklist-selections-action-new-midi track_pos num_tracks)

Returns an action for creating one or more empty MIDI tracks.