Copier l'url d'inscrits
{{ form_start(form, {'attr': {'class': 'register-form outer-top-xs'}}) }}
{{ form_widget(form.email, {'attr': {'class': 'form-control unicase-form-control text-input'}}) }}
{{ form_errors(form.email) }}
{{ form_row(form.save, { 'label': "envoyer", 'attr': {'class': 'btn btn-primary'} }) }}
{{ form_end(form) }}