# File provisioningapi.rb, line 495
                def retrieve_all_members(group_id)
                        xml_response = request(:all_members_retrieve, group_id+'/member', @headers)
                        list_feed = Feed.new(xml_response.elements["feed"], MemberEntry)
                        list_feed = add_next_feeds(list_feed, xml_response, MemberEntry)
                end