Most users define their own sets of primitive types in order to define basic business elementary types. Most often these types are similar in concept to the ones we provide. Since our process takes advantage of the primitive types provided by the solution, you need to customize the solution to take into account your primitive type instead of the provided ones and specify which are the appropriate stereotypes for the new primitive types. Or you can add a transformation in order to obtain a model that uses the primitive types of the solution.
Since the UML-to-COBOL process provides and takes advantage of the general purpose primitive types, the process provides a mechanism to take into account the primitive types already defined in an organization and map them to the stereotypes of the process.
To customize the mapping: