Storage::getDescendants

public function getDescendants(SecurityContext $securityContext, array $parameters = array(), $orderDepthLevel = SORT_ASC)
{
	$rootFolder = $this->getRootObject();
	if(!$rootFolder)
	{
		return array();
	}

	return $rootFolder->getDescendants($securityContext, $parameters, $orderDepthLevel);
}