I can get it to work :-/ I get an attributeerror on aq_inner in lib/python/AccessControl/Owned.py, line 302, in ownerInfo Seems as if the user i provide isn't of the right type? How do you use your method? How is it being called? /Magnus

Magnus, No, changeOwnership is not exposed for TTW calling. But you can expose it through an external method... I used this one on a ZClass.

def set_owner(self, user): self.changeOwnership(user) return