asset.php

...
if($newsItem['news_files']){
	foreach(explode(',',$newsItem['news_files']) as $i => $file_name){
		$asset = $this->importFile('/www/sfi.ru/web/uploads/media/'.$file_name);
		if($asset){
			$assets[] = $asset;
		}
	}
	
	$fileTemplate = new \TYPO3\TYPO3CR\Domain\Model\NodeTemplate();
	$fileTemplate->setNodeType($this->nodeTypeManager->getNodeType('TYPO3.Neos.NodeTypes:AssetList'));
	$fileTemplate->setProperty('assets',$assets);
	$assetsNode->createNodeFromTemplate($fileTemplate);
}
...


	private function importFile($filename){
		$resource = $this->resourceManager->importResource($filename);

		$asset = new Asset($resource);
		$this->assetRepository->add($asset);
		return $asset;
	}