I was looking at various Drupal core Twig templates to get an idea of how menus are rendered; I came across this line in menu--toolbar.html.twig.

{{ link(item.title, item.url) }}

Is link a macro? If so, where is it defined?

It doesn't appear to be a Twig feature. I couldn't find it by searching in the Drupal 8 code base.

1 Answer 1


It's a Twig_SimpleFunction extension, rather than a macro. It's registered with Twig in \Drupal\Core\Template\TwigExtension::getFunctions().

Its callback method is \Drupal\Core\Template\TwigExtension::getLink().

  • The Twig SimpleFunction link goes nowhere. 😢
    – leymannx
    Nov 12, 2022 at 23:45

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