.. toctree:: :hidden: guidelines pathway adding_functions pysd_architecture_views/4+1view_model
In order to contribute to PySD check the :doc:`guidelines` and the :doc:`pathway`. You also will find helpful the :doc:`Structure of the PySD library <../../structure/structure_index>` to understand better how it works. If you want to add a missing function to the PySD Python builder you may find useful the example in :doc:`adding_functions`.