workAreaDuration

The duration of the work area in seconds. This is the difference of the start-point and end-point times of the Composition work area.Floating-point; read/wr

workAreaStart

The time when the Composition work area begins, in seconds.Floating-point; read/write.

removeKey()

Removes the specified keyframe from the named property. If no keyframe with the specified index exists, generates an exception and displays an error.When a