As you develop an application, you might want to change the namespaces of some artifacts. Use refactoring to avoid breaking dependencies.
Changing the namespace of an existing business object, interface, or other artifact can break your application if you do not also update all the dependencies that refer to the former namespace. If you change the namespace using refactoring, the dependencies are updated automatically after you preview and accept the changes.
To change the namespace of an artifact using refactoring: