Sessions & Tracks : Tracks : Track Views : Automation and Controller Views

Automation and Controller Views
When an audio or Instrument track is displayed as Volume, Pan, or another automated control, or when a MIDI or Instrument track is set to one of the continuous controller types (such as Volume or Pitch Bend), the data for that track appears in the form of a line graph with a series of editable breakpoints. The breakpoints can be dragged to modify the automation data, and new breakpoints can be inserted with the Pencil tool or a Grabber tool. MIDI and Instrument tracks also provide Velocity view for editing MIDI velocities.
 
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You can also edit automation and controller data in lanes below the track’s main playlist view. For details on editing automation data for audio tracks, see Automation.