{% use "bootstrap_5_layout.html.twig" %} {%- block collection_widget -%} {% if prototype is defined and not prototype.rendered %} {%- set attr = attr|merge({'data-prototype': form_row(prototype), 'data-controller' : 'form-collection' }) -%} {% endif %} {{- block('form_widget') -}} {%- endblock collection_widget -%}