active

When true, the layer’s video is active at the current time.For this to be true, the layer must be enabled, no other layer may be soloing unless this layer i

activeViewer

The Viewer object for the currently focused or active-focused viewer Composition, Layer, or Footage panel.Returns null if no viewers are open.Viewer object;

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

addKey()

Adds a new keyframe or marker to the named property at the specified time and returns the index of the new keyframe.time The time, in seconds, at which to a

valueAtTime()

The value of the named property as evaluated at the specified time.Note that the type of value returned is not made explicit; it will be of a different type

justification

The paragraph justification for the text layer.AParagraphJustification enumerated value; read-only. One of:ParagraphJustification.LEFT_JUSTIFYParagraphJusti

moveAfter()

Moves this layer to a position immediately after below the specified layer.layer The target layer, a layer object in the same composition.Nothing.

addBoxText()

Creates a new paragraph box text layer and adds the new TextLayer object to this collection.To create a point text layer, use the addText method. For more i

environmentLayer

True if this is an environment layer in a Ray-traced 3D composition. Setting this attribute to true automatically makes the layer 3D threeDLayer becomes tru

canVaryOverTime

When true, the named property can vary over timeļ¾—that is, keyframe values or expressions can be written to this property.Boolean; read-only.