code: def __send_notification(self, message, title, title_link='', color='good',
                              fields='', log_level=LogLv.INFO):
          
          if log_level < self.log_level:
              return None
  
          payload = self.__build_payload(message, title, title_link, color, fields)
  
          try:
              response = self.__post(payload)
  
          except Exception:
              raise Exception(traceback.format_exc())
  
          return response
docs: Send a message to a channel.
          Args:
              title: Message title.
              title_link: Link of the message title.
              message: Message body.
              color: Message line color on Slack. This parameter should be one of the following values: 'good', 'warning',
               'danger' or any hex color code.
  
          Returns:
              response: Response of Slack API.
  
          Raises:
              Exception: