exitCode

A numeric status code used when executing a script externally that is, from a command line or AppleScript .οΎ• In Windows, the value is returned on the comman

beginUndoGroup()

Marks the beginning of an undo group, which allows a script to logically group all of its actions as a single undoable action for use with the Edit > Undo/R

displayStartTime

The time set as the beginning of the composition, in seconds. This is the equivalent of the Start Timecode or Start Frame setting in the Composition Setting

addKey()

Adds a new keyframe or marker to the named property at the specified time and returns the index of the new keyframe.time The time, in seconds, at which to a

nearestKeyIndex()

Returns the index of the keyframe nearest to the specified time.time The time in seconds; a floating-point value. The beginning of the composition is 0.Inte

setValueAtTime()

Sets the value of a keyframe at the specified time. Creates a new keyframe for the named property, if one does not currently exist for the specified time, a

setValuesAtTimes()

Sets values for a set of keyframes at specified of times. Creates a new keyframe for the named property, if one does not currently exist for a specified tim

valueAtTime()

The value of the named property as evaluated at the specified time.Note that the type of value returned is not made explicit; it will be of a different type