code: def create_ntlm_session(
              self,
              alias,
              url,
              auth,
              headers={},
              cookies={},
              timeout=None,
              proxies=None,
              verify=False,
              debug=0,
              max_retries=3,
              backoff_factor=0.10,
              disable_warnings=0):
          
          if not HttpNtlmAuth:
              raise AssertionError('Requests NTLM module not loaded')
          elif len(auth) != 3:
              raise AssertionError('Incorrect number of authentication arguments'
                                   ' - expected 3, got {}'.format(len(auth)))
          else:
              ntlm_auth = HttpNtlmAuth('{}\\{}'.format(auth[0], auth[1]),
                                       auth[2])
              logger.info('Creating NTLM Session using : alias=%s, url=%s, \
                          headers=%s, cookies=%s, ntlm_auth=%s, timeout=%s, \
                          proxies=%s, verify=%s, debug=%s '
                          % (alias, url, headers, cookies, ntlm_auth,
                             timeout, proxies, verify, debug))
  
              return self._create_session(
                  alias,
                  url,
                  headers,
                  cookies,
                  ntlm_auth,
                  timeout,
                  max_retries,
                  backoff_factor,
                  proxies,
                  verify,
                  debug,
                  disable_warnings)
docs: Create Session: create a HTTP session to a server
  
          ``url`` Base url of the server
  
          ``alias`` Robot Framework alias to identify the session
  
          ``headers`` Dictionary of default headers
  
          ``cookies`` Dictionary of cookies
  
          ``auth`` ['DOMAIN', 'username', 'password'] for NTLM Authentication
  
          ``timeout`` Connection timeout
  
          ``proxies`` Dictionary that contains proxy urls for HTTP and HTTPS communication
  
          ``verify`` Whether the SSL cert will be verified. A CA_BUNDLE path can also be provided.
                   Defaults to False.
  
          ``debug`` Enable http verbosity option more information
                  https://docs.python.org/2/library/httplib.html#httplib.HTTPConnection.set_debuglevel
  
          ``max_retries`` The maximum number of retries each connection should attempt.
  
          ``backoff_factor`` The pause between for each retry
  
          ``disable_warnings`` Disable requests warning useful when you have large number of testcases