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

machineName

The name of the computer on which After Effects is running.String; read-only.

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

osVersion

The version of the current local operating system.String; read-only.

userName

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

callSystem()

Executes a system command, as if you had typed it on the operating systemメs command line. Returns whatever the system outputs in response to the command, if

isoLanguage

A string indicating the locale language and regional designations After Effects is running.NOTE: $.locale returns the operating system language, not the lan

endUndoGroup()

Marks the end of an undo group begun with the app.beginUndoGroup method. You can use this method to place an end to an undo group in the middle of a script,