construct properti panel extens point prop panel extens point label extens point lookup icon extens point column field stereotyp box namespac scroll set prop panel model element add field label text field locat allow locat label expand vertic text field locat field uml text field uml extens point locat document add field label locat locat field add separ add field label usecas base singl row scroll uml extens point us list model list extend list uml link list uml extens point extend list model add field label extend scroll pane extend list add action action navig contain element add action action extens point add action action stereotyp add action delet action 