DataMappingEvent example

'additionalAddressLine1' => $data->get('additionalAddressLine1'),
            'additionalAddressLine2' => $data->get('additionalAddressLine2'),
        ];

        if ($data->get('customFields') instanceof RequestDataBag) {
            $addressData['customFields'] = $this->storeApiCustomFieldMapper->map(
                CustomerAddressDefinition::ENTITY_NAME,
                $data->get('customFields')
            );
        }

        $mappingEvent = new DataMappingEvent($data, $addressData, $context->getContext());
        $this->eventDispatcher->dispatch($mappingEvent, CustomerEvents::MAPPING_ADDRESS_CREATE);

        $addressData = $mappingEvent->getOutput();
        $addressData['id'] = $addressId;
        $addressData['customerId'] = $customer->getId();

        $this->addressRepository->upsert([$addressData], $context->getContext());

        $criteria = new Criteria([$addressId]);

        /** @var CustomerAddressEntity $address */
        

$birthdayDay
        ));
    }

    /** * @return array<string, mixed> */
    private function mapBillingAddress(DataBag $billing, Context $context): array
    {
        $billingAddress = $this->mapAddressData($billing);

        $event = new DataMappingEvent($billing, $billingAddress, $context);
        $this->eventDispatcher->dispatch($event, CustomerEvents::MAPPING_REGISTER_ADDRESS_BILLING);

        return $event->getOutput();
    }

    /** * @return array<string, mixed> */
    private function mapShippingAddress(DataBag $shipping, Context $context): array
    {
        $shippingAddress = $this->mapAddressData($shipping);

        

if ($birthday = $this->getBirthday($data)) {
            $customerData['birthday'] = $birthday;
        }

        if ($data->get('customFields') instanceof RequestDataBag) {
            $customerData['customFields'] = $this->storeApiCustomFieldMapper->map(
                CustomerDefinition::ENTITY_NAME,
                $data->get('customFields')
            );
        }

        $mappingEvent = new DataMappingEvent($data, $customerData, $context->getContext());
        $this->eventDispatcher->dispatch($mappingEvent, CustomerEvents::MAPPING_CUSTOMER_PROFILE_SAVE);

        $customerData = $mappingEvent->getOutput();

        $customerData['id'] = $customer->getId();

        $this->customerRepository->update([$customerData], $context->getContext());

        return new SuccessResponse();
    }