connect valid object connect type object element object element check wfr model model manag helper read element don allow connect creat read model element todo consid workaround work place newli creat relationship namespac element correct behavior presenc read element realli depend type connect writeabl end list valid model item pair given connect type list valid item valid connect map connect type valid item pair list match given model element mode element pair valid item mode element pair instanc element mode element pair instanc element check wfr connect wellform connect type model element element model element element 