Is it possible to customize HTML \'id\' attribute in Twig when rendering a widget with {{ form_widget(form.NAME_OF_THE_FIELD) }} ?
{{ form_widget(form.NAME_OF_THE_FIELD) }}
Passing {\'attr
{\'attr
{{ form_widget(form.title, { 'attr': {'id': 'my_id'} }) }}
http://symfony.com/doc/current/book/forms.html
I have used it and it works.