Coins.add C# (CSharp) Méthode

    public static void add(int i)
    {
        total += i;
    }

 // Use this for initialization
 void OnTriggerEnter(Collider other)
 {
     coins = other.transform.parent.GetComponent <Coins>();
     coins.add();
     GameObject.Destroy(this.gameObject);
 }