How to explicitly set the name of the form field in symphonic form?

Question

symfony

it is necessary that the name was not form[pole], but simply pole. How can this be done?

Answer 1

Or via getName of the form class:

class RegisterType extends AbstractType
{
    public function getName()
    {
        return '';
    }
}

Or when creating a form:
instead of
If the form is created without a class:

$form = $this->get('form.factory')->createNamedBuilder('', 'form', $defaultData)
    ->add('name', 'text')
    ->add('email', 'email')
    ->getForm();