public function replyToSetUp($oFactory)
{
/**
* ( required ) Add sub-menu items (pages or links)
*/
$oFactory->addSubMenuItems(array('title' => __('Built-in Field Types', 'admin-page-framework-loader'), 'page_slug' => $this->_sPageSlug, 'screen_icon' => 'options-general', 'order' => 10, 'style' => array(AdminPageFrameworkLoader_Registry::$sDirPath . '/asset/css/code.css', AdminPageFrameworkLoader_Registry::$sDirPath . '/asset/css/field_example.css')));
add_action('load_' . $this->_sPageSlug, array($this, 'replyToLoadPage'));
}