[Zope] is it possible to get a file from its id?

if I have done files = container.Entries.objectIds('File') instead of files = container.Entries.objectValues('File') how can I later get the file from its ID? _______________________________________________________________ Yahoo! Messenger Nueva versión: Webcam, voz, y mucho más ¡Gratis! Descárgalo ya desde http://messenger.yahoo.es