在Twig中获取表单的名称

How can I get the name of form (FormType.php)

i try with

{{ form_row(id) }}
{{ form_row(form.name) }}
{{ form.get('full_name') }}
{{ form.get('id') }}

I want get this

 /**
     * @return string
     */
    public function getName()
    {
        return 'my_form';
    }

and use in

{{ form_start(form, {'action': path('url'), 'method': 'POST', 'attr': {'id': NAME OF getName}}) }}

or if I can set id from formtype.php

You can get it like this:

{{ form.vars.id }}