displayStartTime

The time set as the beginning of the composition, in seconds. This is the equivalent of the Start Timecode or Start Frame setting in the Composition Setting

mainSource

The footage source, an object that contains all of the settings related to that footage item, including those that are normally accessed through the Interpr

footageMissing

When true, the AVItem is a placeholder, or represents footage with a source file that cannot be found. In this case, the path of the missing source file isi

preserveNestedFrameRate

When true, the frame rate of nested compositions is preserved in the current composition. Corresponds to the value of the Preserve frame rate when nested or

typeName

A user-readable name for the item type; for example, Folder , Footage , or Composition .String; read-only.

useProxy

When true, a proxy is used for the item. It is set to true by all the SetProxy methods, and to false by the SetProxyToNone method.Boolean; read/write.

duplicate()

Creates and returns a duplicate of this composition, which contains the same layers as the original.None.CompItem object.

draft3d

When true, Draft 3D mode is enabled for the Composition panel. This corresponds to the value of the Draft 3D button in the Composition panel.Boolean; read/w

openInViewer()

Opens the footage in a Footage panel, and moves the Footage panel to front and gives it focus.NOTE: Missing and placeholder footage can be opened using this

frameDuration

Returns the lengthof a frame for this AVItem, in seconds. This is the reciprocal of frameRate. When set, the reciprocal is automatically set as a new frameR