/**
  * @param TopicsAttributeKey $source
  * @param CoreAttributeKey $destination
  */
 public function publish(AttributeKey $source, CoreAttributeKey $destination)
 {
     $controller = $destination->getController();
     $name = (string) $source->getTreeName();
     $tree = \Concrete\Core\Tree\Type\Topic::getByName($name);
     $node = $tree->getNodeByDisplayPath($source->getNodePath());
     $controller->setNodes($node->getTreeNodeID(), $tree->getTreeID());
 }