Sylius\Bundle\ProductBundle\Form\Type\ProductVariantGenerationType::buildForm PHP Method

    public function buildForm(FormBuilderInterface $builder, array $options)
    {
        $builder->add('name', TextType::class, ['required' => false, 'label' => 'sylius.form.variant.name'])->addEventSubscriber(new AddCodeFormSubscriber());
        $builder->addEventSubscriber(new BuildProductVariantFormSubscriber($builder->getFormFactory(), true));
    }