{% for key,value in field.value %} {% endfor %}

{{ 'certification.chapter'|trans({}, 'admin') }}	{{ 'certification.completed_at'|trans({}, 'admin') }}	{{ 'certification.valid_until'|trans({}, 'admin') }}
{{ key }}	{{ value.completedAt|date('d.m.Y') }}	{{ value.validUntil|date('d.m.Y') }}