When i run the external method in plone site, it shows errors. The error shows. Site Error An error was encountered while publishing this resource. Error Type: AttributeError Error Value: portal_memberdata The following is the codings used in external methon. # make heading row row = makeRow() row[0] = 'member_id' row[1] = 'password' writer.writerow(row) for member in self.portal_membership.listMembers(): # make row for each member full of blank values row = makeRow() member_id = member.getId() user = acl_users.getUser(name=member_id) password = user._getPassword() row[0] = member_id row[1] = password writer.writerow(row) request.RESPONSE.setHeader('Content-Type','application/csv') request.RESPONSE.setHeader('Content-Length',len(text.getvalue())) request.RESPONSE.setHeader('Content-Disposition','inline;filename=%smembers.csv' % time.strftime("%Y%m%d-%H%M%S-",time.localtime())) return text.getvalue() ____________________________________________________________________________________ No need to miss a message. Get email on-the-go with Yahoo! Mail for Mobile. Get started. http://mobile.yahoo.com/mail