Built-In Plugins ================ .. toctree:: :maxdepth: 1 :hidden: grade_override rate_limiting gmail_notifications Otter comes with a few built-in plugins to optionally extend its own functionality. These plugins are documented here. **Note:** To use these plugins, specify the importable names *exactly* as seen here (i.e. ``otter.plugins.builtin.GoogleSheetsGradeOverride``, not ``otter.plugins.builtin.grade_override.GoogleSheetsGradeOverride``).