Purges unused data of the specified types from memory. Replicates the Purge options in the Edit menu.target The type of elements to purge from memory; a Pur


Retrieves a scripting preferences item value from the preferences file.sectionName A string containing the name of a settings sectionkeyName A string contai


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


Creates a new CompItem object and moves the specified layers into its layer collection. It removes the individual layers from this collection, and adds the

PropertyBase object

Properties are accessed by name through layers, using various kinds of expression syntax, as controlled by application preferences. For example, the followi

Application object

Provides access to objects and application settings within the After Effects application. The single global object is always available by its name, app.Attr


An array containing each feather pointï¾’s relative position, from 0 to 1, on its mask path segment section of the mask path between vertices, numbered starti


Changes the source of this FootageItem to the specified image sequence. In addition to loading the file, the method creates a new FileSource object for the

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


Finds and returns a child property of this group, as specified by either its index or name.A name specification can use the same syntax that is available wi