<?php 
   $bt_main = BlockType::getByHandle('autonav'); 
   $bt_main->controller->displayPages = 'custom'; // top, above, below, second_level, third_level, custom (Specify the displayPagesCID below)
   $bt_main->controller->displayPagesCID = '62'; // <-- Specify the CID of the page named: REPERTOIRE ( Gets the first level of pages under that section )
   $bt_main->controller->orderBy = 'display_asc';  // display_asc, display_desc, chrono_asc, chrono_desc, alpha_desc 
   $bt_main->controller->displaySubPages = 'relevant';  // none,  relevant, relevant_breadcrumb, all
   $bt_main->controller->displaySubPageLevels = 'custom'; //custom, none
   $bt_main->controller->displaySubPageLevelsNum = '0'; // Specify how deep level 
   $bt_main->render('templates/sub_nav'); // Specify your template or type "view" to use default
?>