{% set content %}
    {% include '@bolt-elements-button/button.twig' with {
    content: 'Play video',
    attributes: {
      type: 'button',
      'data-bolt-broadcast-target': '#broadcast-1',
    }
  } only %}
{% endset %}

{% set layout_items %}
  {% include '@bolt-layouts-layout/layout-item.twig' with {
    content: content,
  } only %}
{% endset %}

{% set video %}
..
{% endset %} 

{% include '@bolt-components-broadcast/broadcast.twig' with {
  content: layout_items,
  video: video,
  attributes: {
    class: 't-bolt-gray-xlight',
    id: 'broadcast-1',
  }
} only %}