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

skipFrames

The number of frames to skip when rendering this item. Use this to do rendering tests that are faster than a full render.A value of 0 skip no frames, and re

inTangents

The incoming tangent vectors, or direction handles, associated with the vertices of the shape. Specify each vector as an array of two floating-point values,

addSolid()

Creates a new SolidSource object, with values set as specified; sets the new SolidSource as the mainSource value of a new FootageItem object, and adds the F

outTangents

The outgoing tangent vectors, or direction handles, associated with the vertices of the shape. Specify each vector as an array of two floating-point values,

comment

A string that holds a comment, up to 15,999 bytes in length after any encoding conversion. The comment is for the user’s purpose only; it has no effect on t

add()

Creates a new AVLayer object containing the specified item, and adds it to this collection.The new layer honors the Create Layers at Composition Start Time

addNull()

Creates a new null layer and adds the AVLayer object to this collection. This is the same as choosing Layer > New > Null object.duration Optional, the lengt

setProxyWithPlaceholder()

Creates a PlaceholderSource object with specified values, sets this as the value of the proxySource attribute, and sets useProxy to true. It does not preser

Collection object

Like an array, a collection associates a set of objects or values as a logical group and provides access to them by index. However, most collection objects