Neos\ContentRepository\Domain\Model\NodeInterface::getIdentifier PHP Метод

    public function getIdentifier();

 /**
  * Schedules flushing of the routing cache entries for the given $node
  * Note that child nodes are flushed automatically because they are tagged with all parents.
  *
  * @param NodeInterface $node The node which has changed in some way
  * @return void
  */
 public function registerNodeChange(NodeInterface $node)
 {
     if (in_array($node->getIdentifier(), $this->tagsToFlush)) {
         return;
     }
     if (!$node->getNodeType()->isOfType('Neos.Neos:Document')) {
         return;
     }
     $this->tagsToFlush[] = $node->getIdentifier();
 }