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)