code: def _authenticate(self):
          
          auth_url = BASE_URL + "/auth/token"
          payload = {'username': self.email, 'password': self.password, 'grant_type': 'password'}
          arequest = requests.post(auth_url, data=payload, headers=BASIC_HEADERS)
          status = arequest.status_code
          if status != 200:
              _LOGGER.error("Authentication request failed, please check credintials. " + str(status))
              return False
          response = arequest.json()
          _LOGGER.debug(str(response))
          self.token = response.get("access_token")
          self.refresh_token = response.get("refresh_token")
          _auth = HEADERS.get("Authorization")
          _auth = _auth % self.token
          HEADERS["Authorization"] = _auth
          _LOGGER.info("Authentication was successful, token set.")
          return True
docs: Authenticate with the API and return an authentication token.