sample await

gistfile1.cs

using UnityEngine;
using System.Threading.Tasks;

public class SampleAwait : MonoBehaviour
{
    public bool flag = false;
    // Start is called before the first frame update
    void Start()
    {
        MyTask();
    }

    async void MyTask(){
        Debug.Log("waiting");
        while(!flag)await Task.Delay(100);
        Debug.Log("waiting over");
    }
}