CustomerGroupRegistrationAccepted example

/** @var CustomerEntity $customer */
            $customer = $salesChannelContext->getCustomer();

            $criteria = new Criteria([$customer->getGroupId()]);
            $criteria->setLimit(1);
            $customerRequestedGroup = $this->customerGroupRepository->search($criteria, $salesChannelContext->getContext())->first();

            if ($customerRequestedGroup === null) {
                throw CustomerException::customerGroupNotFound($customer->getGroupId());
            }

            $this->eventDispatcher->dispatch(new CustomerGroupRegistrationAccepted(
                $customer,
                $customerRequestedGroup,
                $salesChannelContext->getContext()
            ));
        }

        return new JsonResponse(null, JsonResponse::HTTP_NO_CONTENT);
    }

    /** * @throws Exception */