public static void AddScore(this PhotonPlayer player, int scoreToAddToCurrent)
    {
        int current = player.GetBasketScore();

        current = current + scoreToAddToCurrent;

        Hashtable score = new Hashtable();  // using PUN's implementation of Hashtable

        score[PunPlayerScores.PlayerScoreProp] = current;

        player.SetCustomProperties(score);  // this locally sets the score and will sync it in-game asap.
    }