isNameFromSource

True if the layer has no expressly set name, but contains a named source. In this case, layer.name has the same value as layer.source.name.False if the laye

importAs

The type of object for which the imported file is to be the source. Before setting, use canImportAs to check that a given file can be imported as the source

source

The source AVItem for this layer. The value is null ina Text layer. UseAVLayer.replaceSource to change the value.AVItem object; read-only.

footageTimecodeDisplayStartType

The Footage Start Time setting in the Project Settings dialog box, which is enabled when Timecode is selected as the time display style.A FootageTimecodeDis