public override void OnClientConnect(NetworkConnection conn)
    {
        base.OnClientConnect(conn);

        var charMessage = new CreateTicTacToePlayerMessage
        {
            role = numPlayers == 0 ? 0 : 1
        };

        conn.Send(charMessage);
    }
    public void OnCreatePlayer(NetworkConnection conn, CreateTicTacToePlayerMessage message)
    {
        GameObject gameobject = Instantiate(playerPrefab, GameObject.FindGameObjectWithTag("Player Container").transform, false);

        NetworkServer.AddPlayerForConnection(conn, gameobject);
    }