frame.soundName

Flash MX 2004.

frame.soundName

Property; a string that specifies the name of a sound that is attached directly to a frame (frame.soundLibraryItem), as stored in the library.

The following example changes the soundName property of the first frame to "song1.mp3"; song1.mp3 must exist in the library:

fl.getDocumentDOM().getTimeline().layers[0].frames[0].soundName = "song1.mp3";