The ASSIGN function is supported
| Operand | Support | 
|---|---|
| ABCODE (data-area) | Full | 
| ABDUMP (data-area) | Partial: returns user defined default or 0x00 | 
| ABPROGRAM (data-area) | Partial: returns user defined default or spaces | 
| ACTIVITY (data-area) | Validated | 
| ACTIVITYID (data-area) | Validated | 
| ALTSCRNHT (data-area) | Full | 
| ALTSCRNWD (data-area) | Full | 
| APLKYBD (data-area) | Partial: returns user defined default or 0x00 | 
| APLTEXT (data-area) | Partial: returns user defined default or 0x00 | 
| APPLID (data-area) | Full | 
| ASRAINTRPT (data-area) | Partial: returns user defined default or 0x00 | 
| ASRAKEY (data-area) | Validated | 
| ASRAPSW (data-area) | Partial: returns user defined default or 0x00 | 
| ASRAREGS (data-area) | Partial: returns user defined default or 0x00 | 
| ASRASPC (data-area) | Validated | 
| ASRASTG (data-area) | Validated | 
| BRIDGE (data-area) | Partial: returns user defined default or spaces | 
| BTRANS (data-area) | Partial: returns user defined default or 0x00 | 
| CHANNEL (data-area) | Full | 
| CMDSEC (data-area) | Partial: returns user defined default or spaces | 
| COLOR (data-area) | Partial: returns user defined default or 0x00 | 
| CWALENG (data-area) | Full | 
| DEFSCRNHT (data-area) | Partial returns 24 | 
| DEFSCRNWD (data-area) | Partial returns 80 | 
| DELIMITER (data-area) | Partial: returns user defined default or 0x30 | 
| DESTCOUNT (data-area) | Partial: returns user defined default or 0 | 
| DESTID (data-area) | Partial: INVREQ occurs | 
| DESTIDLENG (data-area) | Partial: INVREQ occurs | 
| DS3270 (data-area) | Full | 
| DSSCS (data-area) | Partial: returns user defined default or 0x00 | 
| EWASUPP (data-area) | Partial: returns user defined default or 0 if tte <=model 2 | 
| EXTDS (data-area) | Partial: returns user defined default or 0x00 | 
| FACILITY (data-area) | Full | 
| FCI (data-area) | Full: Override via user configuration | 
| GCHARS (data-area) | Partial: returns user defined default or 0 | 
| GCODES (data-area) | Partial: returns user defined default or 0 | 
| GMMI (data-area) | Partial: returns user defined default or 0x00 | 
| HILIGHT (data-area) | Partial: returns user defined default or 0x00 | 
| INITPARM (ptr-ref) | Partial: returns user defined default | 
| INITPARMLEN (data-area) | Partial: returns user defined default or 0 | 
| INPARTN (data-area) | Partial: returns user defined default or spaces | 
| INVOKINGPROG (data-area) | Full | 
| KATAKANA (data-area) | Partial: returns user defined default or 0x00 | 
| LANGINUSE (data-area) | Validated | 
| LDCMNEM (data-area) | Partial: returns user defined default or spaces | 
| LDCNUM (data-area) | Partial: returns user defined default or 0x00 | 
| MAPCOLUMN (data-area) | Partial: returns user defined default or 0 | 
| MAPHEIGHT (data-area) | Partial: returns user defined default or 0 | 
| MAPLINE (data-area) | Partial: returns user defined default or 0 | 
| MAPWIDTH (data-area) | Partial: returns user defined default or 0 | 
| MSRCONTROL (data-area) | Partial: returns user defined default or 0x00 | 
| NATLANGINUSE (data-area) | Partial: returns user defined default or "E" meaning "English (US)" | 
| NETNAME (data-area) | Full | 
| NEXTTRANSID (data-area) | Full | 
| NUMTAB (data-area) | Partial: returns user defined default or 0x00 | 
| OPCLASS (data-area) | Partial: returns user defined default or 0x00 | 
| OPERKEYS (data-area) | Partial: returns user defined default or 0x00 | 
| OPID (data-area) | Full | 
| OPSECURITY (data-area) | Partial: returns user defined default or 0x00 | 
| ORGABCODE (data-area) | Full | 
| OUTLINE (data-area) | Partial: returns user defined default or 0x00 | 
| PAGENUM (data-area) | Partial: returns user defined default or 0 | 
| PARTNPAGE (data-area) | Partial: returns user defined default or spaces | 
| PARTNS (data-area) | Partial: returns user defined default or 0x00 | 
| PARTNSET (data-area) | Partial: returns user defined default or spaces meaning "No application partition set" | 
| PRINSYSID (data-area) | Partial: returns user defined default or spaces | 
| PROCESS (data-area) | Validated | 
| PROCESSTYPE (data-area) | Validated | 
| PROGRAM (data-area) | Full | 
| PS (data-area) | Partial: returns user defined default or 0x00 | 
| QNAME (data-area) | Partial: returns user defined default or spaces | 
| RESSEC (data-area) | Partial: returns user defined default or spaces | 
| RESTART (data-area) | Partial: returns user defined default or x"00" meaning "Normal Start" | 
| RETURNPROG (data-area) | Partial: returns user defined default or spaces | 
| SCRNHT (data-area) | Full | 
| SCRNWD (data-area) | Full | 
| SIGDATA (data-area) | Partial: returns user defined default or spaces | 
| SOSI (data-area) | Partial: returns user defined default or 0x00 | 
| STARTCODE (data-area) | Full | 
| STATIONID (data-area) | Partial: returns user defined default or 0x00 | 
| SYSID (data-area) | Full | 
| TASKPRIORITY (data-area) | Partial: returns user defined default or 0 | 
| TCTUALENG (data-area) | Partial: returns user defined default or 0 | 
| TELLERID (data-area) | Partial: returns user defined default or 0x00 | 
| TERMCODE (data-area) | Full | 
| TERMPRIORITY (data-area) | Partial: returns user defined default or 0 | 
| TEXTKYBD (data-area) | Partial: returns user defined default or x"00" meaning "No" | 
| TEXTPRINT (data-area) | Partial: returns user defined default or x"00" meaning "No" | 
| TRANPRIORITY (data-area) | Partial: returns user defined default or 0 | 
| TWALENG (data-area) | Full | 
| UNATTEND (data-area) | Partial: returns user defined default or 0x00 | 
| USERID (data-area) | Full | 
| USERNAME (data-area) | Partial: returns user defined default or spaces | 
| USERPRIORITY (data-area) | Full | 
| VALIDATION (data-area) | Partial: returns user defined default or x"00" meaning "No" |