replaceSource()

Replaces the source for this layer.newSource The new source AVItem object.fixExpressions True to adjust expressions for the new source, false otherwise. Not

addComp()

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

isSeparationFollower

When true, the property represents one of the separated dimensions for a multidimensional property. For example, the X Position property has this attribute

setParameters()

Associates a set of key-value pairs for Flash Video cue-point parameters, for a cue point associated with this marker value. A cue point can have any number

newProject()

Creates a new project in After Effects, replicating the File > New > New Project menu command.If the current project has been edited, the user is prompted t

saveAsTemplate()

Saves the itemメs current render settings as a new template with the specified name.name A string containing the name of the new template.Nothing.

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

KeyframeEase object

The KeyframeEase object encapsulates the keyframe ease settings of a layerメs AE property. Keyframe ease isdetermined by the speed and influence values that

isSeparationLeader

When true, the property is multidimensional and can be separated. For example, the Position property has this attribute set to true.NOTE: The original, cons

addNull()

Creates a new null layer and adds the AVLayer object to this collection. This is the same as choosing Layer > New > Null object.duration Optional, the lengt