WRITE OPERATOR 1 WRITE OPERATOR TEXT(data-value) 2? TEXTLENGTH(data-value) 3? 3 ROUTECODES(data-value) NUMROUTES(data-value) 4! EVENTUAL 4? 4 ACTION(cvda) 4 CRITICAL 4 IMMEDIATE 4 REPLY(data-area) MAXLENGTH(data-value) 4.1? REPLYLENGTH(data-area) 4.2? TIMEOUT(data-value)