Module.php

public function onBootstrap(MvcEvent $e)
    {
        $app = $e->getApplication();
        $eventManager        = $app->getEventManager();
        $moduleRouteListener = new ModuleRouteListener();
        $moduleRouteListener->attach($eventManager);
        $sharedManager  = $eventManager->getSharedManager();
        $sharedManager->attach('HtUserRegistration\Service\UserRegistrationService', 'createRegistrationRecord.post', function (MvcEvent $event) use ($app) {
            die("OK we seem to be getting somewhere?");
        });
    }