Unity animations - yield return new WaitForSeconds(secs) not working

Question

Why doesn't the animation play in Unity when I use this code? How could I make the program wait for the animation to end? In JavaScript (or UnityScript) this approach has worked.

public bool Attacking { get; set; }
private Animator anim;

void Start() 
{
    anim = gameObject.GetComponent<Animator>();
}

private IEnumerator Attack()
{
    Attacking = true;

    anim.SetTrigger("Attack"); // this is not playing

    yield return new WaitForSeconds(attackLength);

    Attacking = false;
}

Answer 1

This is how you run a Coroutine:

StartCoroutine(Attack());

or

StartCoroutine("Attack");

If you try to run it like a usual function it wont work.

So here is solution:

public void PlayAttack() 
{
    StartCoroutine(Attack());
}

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