# Settings

- [Users and permissions](/tower/user-interface/settings/users-and-permissions.md)
- [Users](/tower/user-interface/settings/users-and-permissions/users.md)
- [Groups](/tower/user-interface/settings/users-and-permissions/groups.md)
- [Custom permissions](/tower/user-interface/settings/users-and-permissions/custom-permissions.md)
- [Configuration Settings](/tower/user-interface/settings/configuration-settings.md)
- [Base Models](/tower/user-interface/settings/configuration-settings/base-models.md)
- [Promotions](/tower/user-interface/settings/configuration-settings/promotions.md)
- [API](/tower/user-interface/settings/api.md)
- [Endpoints and templates](/tower/user-interface/settings/api/endpoints-and-templates.md)