{% form_theme form 'bootstrap_3_layout.html.twig' %} {{ form_start(form, {'attr' : {'id' : 'formDirectoryElement'}}) }} {{ form_errors(form) }} {{ form_row(form._token) }} {{ form_row(form.id) }} {{ form_row(form.typeDirectoryElement) }} {{ form_row(form.description) }} {{ form_row(form.observations) }}