creat ocl critic param ocl constraint ocl express param headlin headlin param descript descript param info url info url param knowledg type knowledg type param support decis decis param prioriti prioriti invalid ocl except ocl valid todo need list simpl collect cr ocl ocl constraint headlin descript integ prioriti list decis support decis list knowledg type info url invalid ocl except interpret ocl interpret ocl constraint uml model interpret ocl ocl constraint add support decis uml decis plan extens set prioriti item high prioriti list trigger interpret trigger design materi interpret critic design materi trigger add trigger headlin set headlin ocl express set headlin headlin descript set descript set descript descript prioriti set prioriti item high prioriti set prioriti prioriti support decis decis support decis add support decis knowledg type knowledg type add knowledg type info url set info url info url 