Use this field-level keyword when referring to a field under one of these three conditions:
The format of the keyword is:
REFFLD([record-format-name/]referenced-field-name [ {*SRC | [library-name/]database-file-name}])
The referenced-field-name is required even if it is the same as the referencing field. Use the record-format-name when the referenced file contains more than one record format. Use *SRC (rather than the database-file-name) when the referenced-field-name is in the same DDS source file as the referencing field. *SRC is the default value when the database-file-name, the library-name, and the REF keyword are not specified.
Specify the database-file-name (qualified by its library-name if necessary) when you want to search a particular database file.
If, in the same DDS source file, you specify REF at the file-level and REFFLD at the field level, the particular search sequence depends on both the REF and REFFLD keywords. For more information, see Appendix A, When to Specify REF and REFFLD Keywords for DDS Files.
The letter R must be specified in position 29. In some cases, if you specify a value for length, some keywords specified with the field in the database file are not included in the ICF file. For more information, see DDS Reference (Position 29).
You can specify a Distributed Data Management (DDM) file on this keyword.
When using a DDM file, the database-file-name and the library-name are the DDM file and library name on the source system. The referenced-field-name and the record-format-name are the field name and the record format name in the remote file on the target system.
Option indicators are not valid for this keyword.
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