class_docstr: Duo authentication log app integration
class_docstr_tok: ["Duo","authentication","log","app","integration"]
docstr: Class method to return the duo authentication log endpoint
  
  Returns:
      str: Path of the authentication endpoint to query
docstr_tok: ["Class","method","to","return","the","duo","authentication","log","endpoint","Returns",":","str",":","Path","of","the","authentication","endpoint","to","query"]
code: def _endpoint(cls):
      """Class method to return the duo authentication log endpoint
  
      Returns:
          str: Path of the authentication endpoint to query
      """
      return "{}authentication".format(cls._ENDPOINT_PREFIX)
  
imports: from base64 import b64encode
  from datetime import datetime
  import hashlib
  import hmac
  import re
  import urllib.request
  import urllib.parse
  import urllib.error
  import requests
  from .None import AppIntegration, StreamAlertApp, get_logger
label_desc: Use image node_id 2 for calling the DuoAuthApp obj's underlying member method code with example usage: obj._endpoint(cls) and returns: str