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

AVItem object

The AVItem object provides access to attributes and methods of audio/visual files imported into After Effects.ユ AVItem is a subclass of Item. All methods an

active

When true, this property is active. For a layer, this corresponds to the setting of the eyeball icon and if the current time is between the layerメs in and o

audioActive

True if the layer’s audio is active at the current time.For this value to be true, audioEnabled mustbe true, no other layer with audio may be soloing unless