CallbackHandler::saveFile

static function saveFile($file, $type)
	{
		$fileArray = CFile::makeFileArray($file, $type);
		$fileArray['MODULE_ID'] = 'main';
		$fileId = CFile::saveFile($fileArray, 'main_preview');
		if ($fileId)
		{
			return $fileId;
		}

		return false;
	}