timeSpanDuration

The duration in seconds of the composition to be rendered. The duration is determined by subtracting the start time from the end time. Setting this value is

LayerCollection object

The LayerCollection object represents a set of layers. The LayerCollection belonging to a CompItem object contains all the layer objects for layers in the c

elapsedSeconds

The number of seconds spent rendering this item.Integer, or null if item has not been rendered; read-only.

timeSpanStart

The time in the composition, in seconds, at which rendering will begin. Setting this value is the same as setting a custom start time in the Render Settings

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

logType

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