Wait for second to play another animation

Questions & Answers
1

“The body of ‘_Playanim.OnCollisionEnter(Collision)’ cannot be an iterator block because ‘void’ is not an iterator interface type”
Gives out this error when i add wait for seconds function

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

public class _Playanim : MonoBehaviour
{
    
    public GameObject quad;
    [SerializeField] private Animator Myanimator;


    private void  OnCollisionEnter(Collision other)

    {
        if (other.gameObject.tag == "rigidpencil")
        {

            Myanimator.SetBool("_play", true);
            quad.SetActive(true);

            yield return new WaitForSeconds(60);
            Myanimator.SetBool("_playreverse", true);

        }
        
        else
        {
            Myanimator.SetBool("_play", false);
        }
    }

    



}
2

public GameObject quad;
[SerializeField] private Animator Myanimator;

    private void OnCollisionEnter(Collision other)
    {
        if (other.gameObject.tag == "rigidpencil")
        {
            StartCoroutine(IPlayAnimations());
        }
        else
        {
            Myanimator.SetBool("_play", false);
        }
    }

    private IEnumerator IPlayAnimations()
    {
        Myanimator.SetBool("_play", true);
        quad.SetActive(true);

        yield return new WaitForSeconds(60);

        Myanimator.SetBool("_playreverse", true);
    }