{# @var ea \EasyCorp\Bundle\EasyAdminBundle\Context\AdminContext #}
{# @var field \EasyCorp\Bundle\EasyAdminBundle\Dto\FieldDto #}
{# @var entity \EasyCorp\Bundle\EasyAdminBundle\Dto\EntityDto #}
{% set total = 0 %}
{% for donor in entity.instance.donors %}
    {% if donor.isValidated %} {% set total = total+ donor.sum %} {% endif %}
{% endfor %}
<span title="{{ field.value }}">{{ total }} €</span>