Creates a PlaceholderSource object with specified values, sets this as the value of the proxySource attribute, and sets useProxy to true. It does not preser


The type of automatic orientation to perform for the layer.An AutoOrientType enumerated value; read/write. One of:AutoOrientType.ALONG_PATH Layer faces in t


True if this layer has the Enable Per-character 3D switch set, allowing its characters to be animated off the plane of the text layer. Applies only to text


The duration of a frame, in seconds. This is the inverse of the frameRate value frames-per-second .Floating-point; read/write.


The minimum number of motion blur samples per frame for Classic 3D layers, shape layers, and certain effects. This corresponds to the Samples Per Frame sett


A log type for this item, indicating which events should be logged while this item is being rendered.A LogType enumerated value; read/write . One of:LogType


The frame rate of the AVItem, in frames-per-second. This is the reciprocal of the frameDuration. When set, the reciprocal is automatically set as a new fram