dispatchCustomerChangePaymentMethodEvent example

public function onCustomerWritten(EntityWrittenEvent $event): void
    {
        if ($event->getContext()->getSource() instanceof SalesChannelApiSource) {
            return;
        }

        $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
    {