dispatchCustomerRegisterEvent example

$payloads = $event->getPayloads();

        foreach ($payloads as $payload) {
            if (!empty($payload['defaultPaymentMethodId']) && empty($payload['createdAt'])) {
                $this->dispatchCustomerChangePaymentMethodEvent($payload['id'], $event);

                continue;
            }

            if (!empty($payload['createdAt'])) {
                $this->dispatchCustomerRegisterEvent($payload['id'], $event);
            }
        }
    }

    private function dispatchCustomerRegisterEvent(string $customerId, EntityWrittenEvent $event): void
    {
        $context = $event->getContext();
        $message = new CustomerIndexingMessage([$customerId]);
        $this->customerIndexer->handle($message);

        $salesChannelContext = $this->restorer->restoreByCustomer($customerId, $context);