slot - Twig Tag

The slot tag allows you to define layout sections for composed content. When selecting a layout template with slots, the respective layout will offer to place content elements or modules in said slots. This also affects the “layout section” property of articles in pages using the same layout.

Defining slots

To define a slot with name main, add the following to your template - when content was defined for the slot, it will get output at this place:

{% slot main %}{% endslot %}

Alternatively, slots can provide additional markup, which is only output if non-empty content was set. To define the place the content will get inserted, use the slot() function:

{% slot main %}
  <main>{{ slot() }}</main>
{% endslot %}

If you want to define fallback content you can use an else statement similar to the for tag:

{% slot main %}
  […]
{% else %}
  This will get output, when the slot is empty.
{% endslot %}

Assigning slots

Use the setSlot function on a LayoutTemplate to define content for slots:

/** @var \Contao\CoreBundle\Twig\LayoutTemplate $template */
$template->setSlot('main', 'Trusted content for the <b>main</b> block.');