Unity AnimatorEvent

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

public class AnimatorEvent : StateMachineBehaviour
{
    static int statePropertyId = Animator.StringToHash("State");
    static Dictionary<int, string> hashToName = new Dictionary<int, string>();
    static AnimatorEvent()
    {
       foreach (string name in new string[] { "eat", "hit", "animation"})
          hashToName.Add(Animator.StringToHash(name), name);
    }

    
    override public void OnStateEnter(Animator animator, AnimatorStateInfo stateInfo, int layerIndex)
    {
       animator.SetInteger(statePropertyId, -1);
       
    }
}