code: def set_message(self, title, msg, typ, url=None):
          
          return self.user.send_notification(title=title,
                                             message=msg,
                                             typ=typ,
                                             url=url)
docs: Sets user notification message.
  
          Args:
              title: Msg. title
              msg:  Msg. text
              typ: Msg. type
              url: Additional URL (if exists)
  
          Returns:
              Message ID.