MarkerValue object

The MarkerValue object represents a layer marker, which associates a comment, and optionally a chapter reference point, Web-page link, or Flash Video cue po

Property object

The Property object contains value, keyframe, and expression information about a particular AE property of a layer. An AE property is an value, often animat

beginUndoGroup()

Marks the beginning of an undo group, which allows a script to logically group all of its actions as a single undoable action for use with the Edit > Undo/R

stopRendering()

Stops the rendering process. This is the same as clicking Stop in the Render Queue panel during a render. You can call this method from an onStatusChanged o

Project object

The project object represents an After Effects project. Attributes provide access to specific objects within the project, such as imported files or footage

precompose()

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

canSetEnabled

When true, you can set the enabled attribute value. Generally, this is true if the user interface displays an eyeball icon for this property; it is true for

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,

RenderQueue object

The RenderQueue object represents the render automation process, the data and functionality that is available through the Render Queue panel of a particular

canSetExpression

When true, the named property is of a type whose expression can be set by a script. See also Property expression attribute .Boolean; read-only.