Hi, I'm trying to do the following: First I split the QUERY_STRING variable and join it with dots: <dtml-let splitpath="_.string.split(QUERY_STRING,'/')" training="_.string.join(splitpath[1:],'.')"> So I get the following: training = path.to.training Then I want to get the attributes of the training with the dtml-with tag: <dtml-with "training"> <table cellpadding="3" cellspacing="0" border="0" width="100%"> <tr><td>Institute:</td><td><dtml-var institute></td></tr> <tr><td>Location:</td><td><dtml-var location></td></tr> <tr><td>Title training:</td><td><dtml-var title></td></tr> <tr><td>Start date:</td><td><dtml-var date_start></td></tr> <tr><td>Stop date:</td><td><dtml-var date_stop></td></tr> </table> </dtml-with> </dtml-let> Institute, location etc are attributes of my ZClass Training. The 'with' tag doesn't work; I get KeyErrors. Max M gave me the following solution: You can traverse Zope with a path from code directly. You must use the restrictedTraverse() method.. Asuming that: QUERY_STRING='path/to/training' You can just do it like: <dtml-call "REQUEST.set('training', getPhysicalRoot().restrictedTraverse(QUERY_STRING))"> <dtml.with training> ... etc. But the getPhysicalRoot() method gives me a NameError: NameError: global name 'getPhysicalRoot' is not defined and an AttributeError when I tried it like this: <dtml-call "REQUEST.set('training', PARENTS[1].getPhysicalRoot().restrictedTraverse(QUERY_STRING))"> So I tried the following: <dtml-call "REQUEST.set('training', ROOT().restrictedTraverse(QUERY_STRING))"> Where ROOT is a Python Script in the Root of Zope that does the following: return container But 'training' now is an <Application instance at 91b6bf0>. Can anyone help me with this problem? Greetz Nico