{Curve} is used to affect the percent completion of a cue or part by applying the curve’s output level as the percent completion for all fade calculations.
When a curve is applied to cue, it impacts only the intensity transitions in that cue. When applied to a cue part, it impacts any parameters moving in that part. For more information on creating and using curves, see About Curves
Following is an example of how to assign a curve to a cue: