Operation Properties - CICS COMMAREA Service Interfaces - General tab

Name
The name of the operation.
Select program/copybook
Lists the CICS programs and copybooks in the project.
Select entry point (parameters shown at right)
Lists the available entry points for the selected program, and lists the parameters for the selected entry point.
Select input data area (parameters shown at right)
Lists the available data areas for the selected program, and lists the parameters for the selected data area.
Select output data area (parameters shown at right)
Lists the available data areas for the selected program, and lists the parameters for the selected data area.
Create Default Mapping
Automatically map all data area fields to interface fields. Available for new operations only.