Zopists, I tried the example given by Kapil Thangavelu. from OFS import Folder def create_folders(self, number): ''' create a set of recursive folders with depth equal to number''' parent = self for index in xrange(number): folder = Folder() folder.id = str(number) parent._setObject(folder, str(number)) parent = folder But I get this error: Error Type: TypeError Error Value: call of non-function (type module) Troubleshooting Suggestions The URL may be incorrect. The parameters passed to this resource may be incorrect. A resource that this resource relies on may be encountering an error. For more detailed information about the error, please refer to the HTML source for this page. If the error persists please contact the site maintainer. Thank you for your patience. Traceback (innermost last): File /home/jason/Zope-2.2.0/lib/python/ZPublisher/Publish.py, line 222, in publish_module File /home/jason/Zope-2.2.0/lib/python/ZPublisher/Publish.py, line 187, in publish File /home/jason/Zope-2.2.0/lib/python/Zope/__init__.py, line 221, in zpublisher_exception_hook (Object: ElementWithAttributes) File /home/jason/Zope-2.2.0/lib/python/ZPublisher/Publish.py, line 171, in publish File /home/jason/Zope-2.2.0/lib/python/ZPublisher/mapply.py, line 160, in mapply (Object: create) File /home/jason/Zope-2.2.0/lib/python/ZPublisher/Publish.py, line 112, in call_object (Object: create) File /home/jason/Zope-2.2.0/lib/python/Products/ExternalMethod/ExternalMethod.py, line 263, in __call__ (Object: create) (Info: ((<Folder instance at 8839098>, 10), {}, (10,))) File /home/jason/Zope-2.2.0/Extensions/Creator.py, line 7, in create_folders (Object: ElementWithAttributes) TypeError: (see above) Line 7 contains folder = Folder() Does anyone know what is askew here? All my best, Jason Spisak 444@hiretehcs.com