Anim.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class Anim : MonoBehaviour {

    Animation anim;

    void Start() {
        anim = GetComponent<Animation>();
    }

    void Update() {
        if (Input.GetKeyDown(KeyCode.P))
            anim.Play("Coin");

        if (Input.GetKeyDown(KeyCode.S))
            anim.Stop("Coin");
    }

    public void Triggered() {
        Debug.Log("Анимация закончилась");
    }
}