getRouteName() == 'help.help_topic'; } /** * {@inheritdoc} */ public function build(RouteMatchInterface $route_match) { $breadcrumb = new Breadcrumb(); $breadcrumb->addCacheContexts(['url.path.parent']); $breadcrumb->addLink(Link::createFromRoute(new TranslatableMarkup('Home'), '')); $breadcrumb->addLink(Link::createFromRoute(new TranslatableMarkup('Administration'), 'system.admin')); $breadcrumb->addLink(Link::createFromRoute(new TranslatableMarkup('Help'), 'help.main')); return $breadcrumb; } }