public GameObject rangeBtn;
public Animator rangeBtnAnim;

private void Start()
{
    if ((rangeBtn != null) && (rangeBtn.GetComponent<Animator>() != null))
    {
        rangeBtnAnim = rangeBtn.GetComponent<Animator>();
    }
}


public void PlayAnimation()
{
    rangeBtnAnim.Play("RangeSelectionButton_Pressed");
}