code: def send_message(self, message):
          
          self._steam.send(MsgProto(EMsg.ClientFriendMsg), {
              'steamid': self.steam_id,
              'chat_entry_type': EChatEntryType.ChatMsg,
              'message': message.encode('utf8'),
              })
docs: Send chat message to this steam user
  
          :param message: message to send
          :type message: str