In the
Interface Mapper, right-click
Operation, and click
New.
Define the new operation by specifying:
A name for the new operation
A program
An input data area, which you select from the list of COMMAREAs available in the program
An output data area, which you select from the list of COMMAREAs available in the program
Any user exits that you require
If you want to automatically create interface fields with default mappings for all of the fields in the input and output data
areas, check
Create Default Mapping.