--- /dev/null
+import json
+import httplib2
+ud_data = {'userDefinedData': {"key1": "value1"}}
+headers = {'content-type': 'application/json', 'accept': 'application/json'}
+http = httplib2.Http()
+resp, resp_content = http.request('http://172.30.3.104:30280/api/nsd/v1/ns_descriptors',
+ method="POST",
+ body=json.dumps(ud_data),
+ headers=headers)
+print(resp['status'], resp_content)