フォルダの電子すかしを取得します。
curl -i -X GET "https://api.box.com/2.0/folders/4353455/watermark" \
     -H "authorization: Bearer <ACCESS_TOKEN>"await client.folderWatermarks.getFolderWatermark(folder.id);client.folder_watermarks.get_folder_watermark(folder.id)await client.FolderWatermarks.GetFolderWatermarkAsync(folderId: folder.Id);try await client.folderWatermarks.getFolderWatermark(folderId: folder.id)client.getFolderWatermarks().getFolderWatermark(folder.getId())BoxFolder folder = new BoxFolder(api, id);
BoxWatermark watermark = folder.getWatermark();watermark = client.folder(folder_id='11111').get_watermark()
print(f'Watermark created at {watermark.created_at} and modified at {watermark.modified_at}')BoxWatermark watermark = await client.FoldersManager.GetWatermarkAsync("22222");client.folders.getWatermark('22222')
	.then(watermark => {
		/* watermark -> {
			watermark: 
			{ created_at: '2016-10-31T15:33:33-07:00',
				modified_at: '2016-10-31T15:33:33-07:00' } }
		*/
	});{
  "watermark": {
    "created_at": "2012-12-12T10:53:43-08:00",
    "modified_at": "2012-12-12T10:53:43-08:00"
  }
}