RPL  AM operand = VTAM
     ACB field → ACB
     NIB field → NIB
     AREA field → data area
     AREALEN field = data area length
     RECLEN field = data length
     AREA = data area address
     AAREA field → alternate data area
     AREALEN → data area length
     AAREALEN field = alternate data length
     Note: ECB and EXIT are mutually exclusive.
     If ECB is used, only one is allowed.
     ECB field → external ECB
     ECB field = INTERNAL
     EXIT field → RPL exit routine
     BRANCH field = YES|NO
     SEQNO field = sequence number
     POST field = SCHED|RESP
     RESPOND field = (EX|NEX,FME|NFME,RRN|NRRN,
                  QRESP|NQRESP)
     CONTROL field = DATA|BID|BIS|CANCEL|CHASE|LUS|QC
                  RTR|QEC|RELQ|RSHUTD|SBI|SHUTC|
                  SHUTD|SIGNAL|BIND|CLEAR|RQR|SDT|
                  STSN|UNBIND|SWITCH
     CHAIN field = FIRST|MIDDLE|LAST|ONLY
     CHNGDIR field = (CMD|NCMD,REQ|NREQ)
     CRYPT field =YES|NO
     BRACKET field = (BB|NBB,EB|NEB,CEB|NCEB)
     RTYPE field = (DFSYN|NDFSYN,DFASY|NDFASY,RESP|
                  NRESP)
     STYPE field = REQ|RESP
     IBSQAC field = SET|TESTSET|INVALID|IGNORE|TESTPOS|
                  TESTNEG|RESET
     OBSQAC field = SET|TESTSET|INVALID|IGNORE|TESTPOS|
                  TESTNEG|RESET
     IBSQVAL field = inbound sequence number
     OBSQVAL field = outbound sequence number
     SIGDATA field = signal data
     CODESEL field = STANDARD|ALT
     PARMS field = (THRDPTY = NOTIFY|NONOTIFY)
     PARMS = SONCODE = code
     SSENSEO field = CPM|STATE|FI|RR|0
     SSENSMO field = system-sense modifier value (or 0)
     USENSEO field = user-sense value (or 0)
     OPTCD field = (NIBTK|TRUNC|KEEP,
                  NFMHDR|FMHDR,
                  CONALL|CONANY,
                  SYN|ASY,
                  CA|CS,
                  COND|UNCOND|UNBIND,
                  SPEC|ANY,
                  ACCEPT|ACQUIRE,
                  QUIESCE|STOP|START|HOLD,
                  RELEASE|PASS,
                  RELRQ|NRELREQ,
                  LOGONMSG|DEVCHAR|COUNTS|TERMS|STATUS|
                  APPSTAT|CIDXLATE|TOPLOGON|
                  USERVAR|SESSPARM|SESSKEY,
                  LMPEO|NLMPEO,
                  CONTCHN|NCONTCHN,
                  BUFFLST|NBUFFLST,
                  USERRH|NUSERRH,
                  SENSE|NSENSE,
                  SONCODE|NSONCODE,RSPQUED| NRSPQUED,
                  NBACKUP|BACKUP,
                  Q|NQ,
                  QALL|QSESSLIM|QNOTENAB,
                  MTS|NMTS,
                  KEEPSRB|NKEEPSRB)