canImportAs()

Reports whether the file can be imported as the source of a particular object type. If this method returns true, you can set the given type as the value of

activeCamera

The active camera, which is the front-most camera layer that is enabled. The value is null if the composition contains no enabled camera layers.CameraLayer

value

The value of the named property at the current time.ユ If expressionEnabled is true, returns the evaluated expression value.ユ If there are keyframes, returns

timeSpanDuration

The duration in seconds of the composition to be rendered. The duration is determined by subtracting the start time from the end time. Setting this value is

inPoint

The in point of the layer, expressed in composition time seconds .Floating-point value in the range [-10800.0..10800.0] minus or plus three hours ; read/wri

hasAudio

When true, the AVItem has an audio component.ユ In a CompItem, the value is linked to the composition.ユ In a FootageItem, the value is linked to the mainSour

replaceWithPlaceholder()

Changes the source of this FootageItem to the specified placeholder. Creates a new PlaceholderSource object, sets its values from the parameters, and sets m

keySpatialContinuous()

Returns true if the specified keyframe has spatial continuity.If the property value type is neither TwoD _SPATIAL nor ThreeD_SPATIAL, an exception is genera

featherTensions

An array containing each feather pointメs tension amount, from 0 0% tension to 1 100% tension .NOTE: Values are stored in the array in the order that feather

isNameSet

True if the value of the name attribute has been set explicitly, rather than automatically from the source.Boolean; read-only.