Is a PUT_factory allowed to return an object with a different id than the requested one? Currently NullResource.PUT doesn't cope with that. But in CMF an object factory is allowed to change the id from the requested one, so I'm wondering what could happen, and what's best. Florent -- Florent Guillaume, Nuxeo (Paris, France) +33 1 40 33 79 87 http://nuxeo.com mailto:fg@nuxeo.com