MACROMEDIA FLASH 8-EXTENDING FLASH Manual page 304

item.removeData()
Availability
Flash MX 2004.
Usage
item.removeData( name )
Parameters
pecifies the name of the data to remove from the library item.
name S
Returns
Nothing.
Description
Property; removes persistent data from the library item.
Example
The following example removes the data named myData from the first item in the library:
fl.getDocumentDOM().library.items[0].removeData( "myData" );
304 Objects