Neos\Neos\EventLog\Domain\Service\EventEmittingService::generate PHP Method

    public function generate($eventType, array $data, $eventClassName = Event::class)
    {
        $event = new $eventClassName($eventType, $data, $this->currentAccountIdentifier, $this->getCurrentContext());
        $this->lastGeneratedEvent = $event;
        return $event;
    }