{{ include(template_from_string(headerHTML)) }}
<!--@subject {{ '{{' }}trans '{{ subject|raw }}'}} @-->
{% if scope == 'frontend' %}
{{ '{{' }}template config_path="design/email/header_template"}}
{% endif %}

<div class="{{ name|kebab }}-email-container">
    <!--
        Content goes here
    -->
</div>

{% if scope == 'frontend' %}
{{ '{{' }}template config_path="design/email/footer_template"}}
{% endif %}