--- /dev/null
+import requests
+import sys
+
+from testscripts.const import MSB_BASE_URL, NS_CSAR_PATH
+
+id = sys.argv[1]
+url = MSB_BASE_URL + '/api/nsd/v1/ns_descriptors/' + id + '/nsd_content'
+resp = requests.get(url)
+local_file = open(NS_CSAR_PATH, 'wb')
+local_file.write(resp.content)
+local_file.close()