{#
/**
 * Available variables:
 * - button_content - the content of the button (typically text)
 *
 * Available blocks:
 * - button_content - used to replace the content of the button with something other than text
 *   for example: to insert an icon
 */
#}
{% set additional_attributes = {
  class: bem('button'),
  id: 'testId',
  "aria-label": 'button',
} %}
<button {{ add_attributes(additional_attributes) }}>
  {% block button_content %}
    {{ button_content }}
  {% endblock %}
</button>