IMS DC
$IM-FLD MSDBview fsaname [rootssa]
| fsaname | COBOL dataname for the generated field search argument. | 
| MSDBview | Main Storage Data Base PCB | 
| rootssa | Root segment search argument; if not specified, AMB retrieves the first segment in the MSDB. | 
Comment:
Refer to your IMS documentation for more information on $IM-FLD.