[Unity] AddListener to button

    private void Awake()
    {
        Button[] buttons = gridWithMaps.GetComponentsInChildren<Button>();
        scrollBar.numberOfSteps = buttons.Length;

        foreach (var button in buttons)
        {
            button.onClick.AddListener( () => onMapClick(button));
        }
    }

    void onMapClick(Button button)
    {
        //todo
    }