Edit file File name : _form_delete_modal.html.twig Content :{% embed 'embeds/modal.html.twig' %} {% set used = used|default(false) %} {% block modal_id %}form_modal{% endblock %} {% block modal_class %}{% if used %}modal-danger{% endif %}{% endblock %} {% block modal_before %}{{ form_start(form) }}{% endblock %} {% block modal_title %} {{ title|default('confirm.delete'|trans) }} {% endblock %} {% block modal_body %} {% if used is same as (false) %} {{ 'delete.not_in_use'|trans }} <div class="hidden"> {{ form_widget(form) }} </div> {% else %} <p>{{ message }}</p> {{ form_widget(form) }} {% endif %} {% endblock %} {% block modal_footer %} <button type="submit" class="btn {% if used %}btn-outline{% else %}btn-primary{% endif %} pull-left modal-form-save" data-loading-text="{{ 'action.delete'|trans }}..." id="{{ block('modal_id') }}_save">{{ 'action.delete'|trans }}</button> <button type="button" class="btn btn-default btn-cancel" data-dismiss="modal">{{ 'action.close'|trans }}</button> {% endblock %} {% block modal_end %}{{ form_end(form) }}{% endblock %} {% endembed %} Save