public function buildForm(FormBuilderInterface $builder, array $options)
{
$builder->add('usageLimit', IntegerType::class, ['label' => 'sylius.form.promotion_coupon.usage_limit', 'required' => false])->add('expiresAt', DateType::class, ['label' => 'sylius.form.promotion_coupon.expires_at', 'widget' => 'single_text', 'placeholder' => ['year' => '-', 'month' => '-', 'day' => '-'], 'required' => false])->addEventSubscriber(new AddCodeFormSubscriber());
}