addProperty()

Creates and returns a PropertyBase object with the specified name, and adds it to this group.In general, you can only add properties to an indexed group a p

open()

Opens a project.file Optional. An ExtendScript File object for the project file to open. If not supplied, the method prompts the user to select a project fi

osName

The name of the operating system on which After Effects is running.NOTE: As of Windows 7, this attribute returns a blank value. Use $.os instead.String; rea

cuePointName

The Flash Video cue point name, as shown in the Marker dialogbox.String; read/write.

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

OutputModule object

An OutputModule object of a RenderQueueItem generates a single file or sequence via a render operation, and contains attributes and methods relating to the

canAddProperty()

Returns true if a property with the given name can be added to this property group. For example, you can only add mask to a mask group. The only legal input

name

The name of the item, as shown in the Project panel.ユ Ina FootageItem, the value is linked to the mainSource object. If the mainSource object is a FileSourc

userName

The name of the user currently logged on to the system.String; read-only.

Item object

The Item object represents an item that can appear in the Project panel.The first item is at index 1.ユ Item is the base class for AVItem and for FolderItem,