ファイルの電子すかしを取得します。
curl -X GET https://api.box.com/2.0/files/12345/watermark \
-H 'Authorization: Bearer <ACCESS_TOKEN>'
BoxWatermark watermark = await client.FilesManager.GetWatermarkAsync("11111");
BoxFile file = new BoxFile(api, id);
BoxWatermark watermark = file.getWatermark();
watermark = client.file(file_id='12345').get_watermark()
print('Watermark created at {0} and modified at {1}'.format(watermark.created_at, watermark.modified_at))
client.files.getWatermark('11111')
.then(watermark => {
/* watermark -> {
watermark:
{ created_at: '2016-10-31T15:33:33-07:00',
modified_at: '2016-10-31T15:33:33-07:00' } }
*/
});