https://www.ibm.com/docs/en/ims/15.3.0?topic=objects-fldentry-command-object-xcc03
IMS 15.3 - Application programming APIs - FLDENTRY command object (X'CC03')
Use the distributed data management (DDM) architecture FLDENTRY (field entry) command object to specify the field to insert or update.
application programmingobject xims