The most common use for code generation is probably writing new classes. To create a new class in an existing project, right click on a project folder and choose. The same dialog can be started from the menu by clicking , but using a project folder has the benefit of setting a base URL for the output files. Choose Class in the category selection view, and the desired language and template in the other two views. After you have selected a class template, you will have to specify the details of the new class.