<nav class="navbar navbar-expand-lg navbar-light navbar-footer" >

        <?php
        wp_nav_menu([
          'menu'            => 'Menu Footer',
          'theme_location'  => 'primary',
          'container'       => 'div',
          'container_id'    => 'bs4navbar',
          'container_class' => 'collapse navbar-collapse',
          'menu_id'         => false,
          'menu_class'      => 'navbar-nav  ms-auto mb-2 mb-lg-0',
          'depth'           => 2,
          'fallback_cb'     => 'bs4navwalker::fallback',
          'walker'          => new bs4navwalker()
        ]);
        ?>

  </nav>