menu_link_content_help

menu_link_content_help($route_name, RouteMatchInterface $route_match)

function menu_link_content_help($route_name, RouteMatchInterface $route_match) {
  switch ($route_name) {
    case 'help.page.menu_link_content':
      $output = '';
      $output .= '<h3>' . t('About') . '</h3>';
      $output .= '<p>' . t('The Custom Menu Links module allows users to create menu links. These links can be translated if multiple languages are used for the site.');
      if (\Drupal::moduleHandler()->moduleExists('menu_ui')) {
        $output .= ' ' . t('It is required by the Menu UI module, which provides an interface for managing menus and menu links. For more information, see the <a href=":menu-help">Menu UI module help page</a> and the <a href=":drupal-org-help">online documentation for the Custom Menu Links module</a>.', array(':menu-help' => \Drupal::url('help.page', array('name' => 'menu_ui')), ':drupal-org-help' => 'https://www.drupal.org/documentation/modules/menu_link'));
      }
      else {
        $output .= ' ' . t('For more information, see the <a href=":drupal-org-help">online documentation for the Custom Menu Links module</a>. If you enable the Menu UI module, it provides an interface for managing menus and menu links.', array(':drupal-org-help' => 'https://www.drupal.org/documentation/modules/menu_link'));
      }
      $output .= '</p>';
      return $output;
  }
}