Operation Properties - General tab

The name of the operation.
Select program/copybook
Lists the 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.
Create Default Mapping
Automatically map all entry point fields to interface fields. Available for new operations only.
Enable API Resources
Automatically identify API resources from COBOL group structures in the selected entry point. Enables the API Resources tab for the selection and customization of the identified resources. New operations are created for each resource selected. Available only for COBOL program-based JSON (RESTful) Web services.