The CI Initialize (0) call is called PBFNInit (PBFNINIT) in the native interface. The parameter passed in to PBFNInit is called SetupDef (PBFNGCFG copybook). All CI initialization options are covered in the SetupDef structure along with additional options that are not available in the CI. For more information on how to migrate from the Finalist callarea to the SetupDef structure, please refer to Initialize - 0 Call.