download1.swift

let comps: ZDCNodeMetaComponents = [.metadata]
		
zdc.downloadManager!.downloadNodeMeta( node,
                           components: comps,
                              options: options,
                      completionQueue: DispatchQueue.global())
{(cloudDataInfo: ZDCCloudDataInfo?, metadata: Data?, thumbnail: Data?, error: Error?) in
  // data downloaded & decrypted for you
}