{% macro get_subject() %}{% trans %}Invitation to register{% endtrans %}{% endmacro %}
{% macro get_html_body() %}
{% trans %}Dear {first_name},{% endtrans %}
{% trans %}We'd like to invite you to register for the following event:{% endtrans %}
{{ event.title }}
{% trans %}You can register (or decline the invitation) by using this link:{% endtrans %}
{invitation_link}
{% if session %}
{% trans %}Best regards{% endtrans %}
{{ session.user.full_name }}
{% endif %}
{% endmacro %}