Neos\Flow\Persistence\PersistenceManagerInterface::registerNewObject PHP Method

    public function registerNewObject(Aspect\PersistenceMagicInterface $object);

 /**
  * After returning advice, making sure we have an UUID for each and every entity.
  *
  * @param JoinPointInterface $joinPoint The current join point
  * @return void
  * @Flow\Before("Neos\Flow\Persistence\Aspect\PersistenceMagicAspect->isEntity && method(.*->(__construct|__clone)()) && filter(Neos\Flow\Persistence\Doctrine\Mapping\Driver\FlowAnnotationDriver)")
  */
 public function generateUuid(JoinPointInterface $joinPoint)
 {
     /** @var $proxy PersistenceMagicInterface */
     $proxy = $joinPoint->getProxy();
     ObjectAccess::setProperty($proxy, 'Persistence_Object_Identifier', Algorithms::generateUUID(), true);
     $this->persistenceManager->registerNewObject($proxy);
 }