src/FondOfSpryker/Yves/AvailabilityAlert/Form/SubscriptionForm.php
protected function addEmailField(FormBuilderInterface $builder)
    {
        $builder->add(self::FIELD_EMAIL, EmailType::class, [
            'label' => 'availability_alert.submit.email',
            'required' => true,
            'constraints' => [
                new NotBlank(),
            ],
        ]);

        return $this;
    }
protected function addEmailField(FormBuilderInterface $builder)
    {
        $builder->add(self::FIELD_EMAIL, EmailType::class, [
            'label' => 'availability_alert.submit.email',
            'required' => true,
            'constraints' => [
                new NotBlank(),
            ],
        ]);

        return $this;
    }
protected function addEmailField ( FormBuilderInterface $ builder ) { $ builder -> add ( self :: FIELD_EMAIL , EmailType :: class , [ 'label' => 'availability_alert.submit.email' , 'required' => true , 'constraints' => [ new NotBlank ( ) , ] , ] ) ; return $ this ; }
@param \Symfony\Component\Form\FormBuilderInterface $builder

@return $this
@param \ Symfony \ Component \ Form \ FormBuilderInterface $builder