Executing UnityEvent with a predefined delay.

ExecuteWithDelay.cs

// ExecuteWithDelay.cs
// Author: Made Indrayana
// MIT License
// Delaying an execution of a UnityEvent with a variable wait time.

using System.Collections;
using UnityEngine;
using UnityEngine.Events;

public class ExecuteWithDelay : MonoBehaviour
{
    public float waitTime = 1f;
    public UnityEvent onFinishedWaiting = new UnityEvent();
    
   public void ExecuteDelayed()
    {
        StartCoroutine(Execute());
    }

    private IEnumerator Execute()
    {
        yield return new WaitForSecondsRealtime(waitTime);
        onFinishedWaiting?.Invoke();
    }
}