docs: def record(self, person, event, properties=None, timestamp=None,
                 path=KISSmetrics.RECORD_PATH):
          """Record `event` for `person` with any `properties`.
  
          :param person: the individual performing the `event`
          :param event: the `event` name that was performed
          :param properties: any additional data to include
          :type properties: dict
          :param timestamp: when the `event` was performed; optional for
                            back-dating
          :param path: HTTP endpoint to use; defaults to
                      ``KISSmetrics.RECORD_PATH``
  
          :returns: an HTTP response for the request
          :rtype: `urllib3.response.HTTPResponse`
  
          """
          this_request = request.record(self.key, person, event,
                                        timestamp=timestamp,
                                        properties=properties,
                                        scheme=self.trk_scheme,
                                        host=self.trk_host, path=path)
          return self._request(this_request)