item()

Retrieves an item at a specified index position.index The index position of the item, an integer. The first item is at index 1.Item object.

MaskPropertyGroup object

The MaskPropertyGroup object encapsulates mask attributes in a layer.ユ MaskPropertyGroup is a subclass of PropertyGroup. All methods and attributes of Prope

moveAfter()

Moves this layer to a position immediately after below the specified layer.layer The target layer, a layer object in the same composition.Nothing.

layers

A LayerCollection object that contains all the Layer objects for layers in this composition. See LayerCollection object .LayerCollection object; read-only.

selected

When true, this property is selected. Set to true to select the property, or to false to deselect it.Sampling this attribute repeatedly for a large number o

setParameters()

Associates a set of key-value pairs for Flash Video cue-point parameters, for a cue point associated with this marker value. A cue point can have any number

frameRate

The frame rate of the AVItem, in frames-per-second. This is the reciprocal of the frameDuration. When set, the reciprocal is automatically set as a new fram

file

The ExtendScript File object for the footage’s source file.If theFootageItem’smainSource is a FileSource, this is the same as FootageItem.mainSource.file.Ot

startTime

The day and time that this item started rendering.Date object, or null if the item has not started rendering; read-only.