CustomerVatIdentification example

if ($data->get('vatIds') instanceof DataBag) {
            $vatIds = array_filter($data->get('vatIds')->all());
            $data->set('vatIds', $vatIds);
        }

        if ($accountType === CustomerEntity::ACCOUNT_TYPE_BUSINESS && $data->get('vatIds') !== null) {
            if ($this->requiredVatIdField($billingAddress['countryId'], $context)) {
                $definition->add('vatIds', new NotBlank());
            }

            $definition->add('vatIds', new Type('array'), new CustomerVatIdentification(
                ['countryId' => $billingAddress['countryId']]
            ));
        }

        if ($this->systemConfigService->get('core.loginRegistration.requireDataProtectionCheckbox', $context->getSalesChannelId())) {
            $definition->add('acceptedDataProtection', new NotBlank());
        }

        $violations = $this->validator->getViolations($data->all(), $definition);
        if (!$violations->count()) {
            return;
        }

class CustomerVatIdentificationValidatorTest extends TestCase
{
    use IntegrationTestBehaviour;
    use SalesChannelApiTestBehaviour;

    public function testValidateVatIds(): void
    {
        $vatIds = [
            '123546',
        ];

        $constraint = new CustomerVatIdentification([
            'countryId' => $this->getValidCountryId(),
        ]);

        $validation = new DataValidationDefinition('customer.create');

        $validation
            ->add('vatIds', $constraint);

        $validator = $this->getContainer()->get(DataValidator::class);

        try {
            

private function dispatchValidationEvent(DataValidationDefinition $definition, DataBag $data, Context $context): void
    {
        $validationEvent = new BuildValidationEvent($definition, $data, $context);
        $this->eventDispatcher->dispatch($validationEvent, $validationEvent->getName());
    }

    private function addVatIdsValidation(DataValidationDefinition $validation, CustomerAddressEntity $address): void
    {
        /** @var Constraint[] $constraints */
        $constraints = [
            new Type('array'),
            new CustomerVatIdentification(
                ['countryId' => $address->getCountryId()]
            ),
        ];
        if ($address->getCountry() && $address->getCountry()->getVatIdRequired()) {
            $constraints[] = new NotBlank();
        }

        $validation->add('vatIds', ...$constraints);
    }

    private function getBirthday(DataBag $data): ?\DateTimeInterface
    {