https://www.ibm.com/docs/en/ims/15.5.0?topic=objects-rtrvfldrel-command-object-xcc0b
IMS 15.5 - Application programming APIs - RTRVFLDREL Command object (X'CC0B')
Use the distributed data management (DDM) architecture FLDENTRYREL (relative retrieve field) command object to specify which field the client wants to retrieve...
application programmingobject xims