@dotlrn-homework-applet-create @dotlrn-homework-portlet-create @dotlrn-homework-notifications-create -- We'll use the content repository's built-in relationships on items to relate -- a homework assignment to the correction or critique uploaded by a class -- admin begin content_type.register_relation_type ( content_type => 'file_storage_object', target_type => 'file_storage_object', relation_tag => 'homework_correction', min_n => 0, max_n => 1 ); end; / show errors;