Layer object

The Layer object provides access to layers within compositions. It can be accessed from an itemメs layer collection either by index number or by a name strin

AVLayer object

The AVLayer object provides an interface to those layers that contain AVItem objects composition layers, footage layers, solid layers, text layers, and sou

keyOutTemporalEase()

Returns the outgoing temporal ease for the specified keyframe.keyIndex The index for the keyframe. An integer in the range [1..numKeys], as returned by the