When true, the mask is inverted; otherwise false.Boolean; read/write.

FootageSource object

The FootageSource object holds information describing the source of some footage. It is used as themainSource of a FootageItem, or the proxySource of a Comp


If this layer has a track matte, specifies the way the track matte is applied.A TrackMatteType enumerated value; read/write. One of:TrackMatteType.ALPHATrac


When true, an alpha channel in a footage clip or proxy should be inverted.This attribute is valid onlyif an alpha is present. If hasAlpha isfalse, or if alp

MaskPropertyGroup object

The MaskPropertyGroup object encapsulates mask attributes in a layer.οΎ• MaskPropertyGroup is a subclass of PropertyGroup. All methods and attributes of Prope