Following up to my own post here, after finding the answer pretty much verbatim in the ASPN-archived list. I created a python script (proxy-permissioned via Manager) that does return context.owner_info()['id'] Seems like that's the kind of thing that should be in the Zope Book. Where does that method come from? According to the Zope Book, it isn't part of either ObjectManagerItem or PropertyManger... B -- Brian Lalor blalor@ithacabands.org