// Use this for initialization void Start() { find = GameObject.Find("VolumeSlider"); sliderVolume = find.GetComponent <Slider>(); sliderVolume.value = SaveLoadManager.LoadVolumeData(); AudioListener.volume = sliderVolume.value; save.VolumeLevelSave(SaveLoadManager.LoadLevelData()); save.ChangeVolume(sliderVolume.value); save.Save(); sliderVolume.onValueChanged.AddListener(ListenerMethod); }