Creates a new composition. Creates and returns a new CompItem object and adds it to this collection.If the ItemCollection belongs to the project or the root
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replace()
Changes the source of this FootageItem to the specified file. In addition to loading the file, the method creates a new FileSource object for the file and s
parentFolder
The FolderItem object for the folder that contains this item. If this item is at the top level of the project, this is the project’s root folder app.project
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