1 UPDATE OBJECT(data-value) 2 FROM(data-area) 2.1? 2.1 PARM(data-area) PARMLEN(data-value) 2 RESULT(cpsm-token) MODIFY(data-area) 3 LENGTH(data-value) 4? CONTEXT(data-value) 5 THREAD(cpsm-token) RESPONSE(data-ref) REASON(data-ref)