effectsActive

True if the layer’s effects are active, as indicated by the icon next to it in the user interface.Boolean; read/write.

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

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

quality

The quality with which this layer is displayed.A LayerQuality enumerated value; read/write. One of:LayerQuality.BESTLayerQuality.DRAFTLayerQuality.WIREFRAME