Use this position to specify that a named field is an output-only or program-to-system field. Do not make an entry in this position for a constant (unnamed) field.
The valid entries for printer files are:
Output-only fields pass data from a program to the printer when the program prints a record.
A program-to-system field is a named, numeric, or alphanumeric output-only field used to pass data between the program and the system. It is not printed. A program can send data to the field with an output operation, but the data is not printed.
The following rules apply to program-to-system fields:
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