code: def user_information(self, access_token):
          
          payload = {'access_token': access_token}
          url = "https://graph.facebook.com/v2.5/me"
          if self.config["fields"]:
              payload["fields"] = ",".join(self.config["fields"])
          resp = requests.get(url, params=payload)
          data = json.loads(resp.text)
          try:
              picture_url = data["picture"]["data"]["url"]
              data["picture"] = picture_url
          except KeyError as e:
              pass
          return data
docs: Will retrieve the user information data for the authenticated user.
          :type access_token: str
          :rtype: dict[str, str]
  
          :param access_token: The access token to be used to retrieve the data.
          :return: Dictionary with attribute name as key and attribute value as value.