CSHARP

Time delay C# unity

void start()
StartCoroutine(Text());

IEnumerator Text()  //  <-  its a standalone method
{
	Debug.Log("Hello")
    yield return new WaitForSeconds(3)
    Debug.Log("ByeBye")
}

delay in unity

Invoke("functionname", seconds);
// this is for C#

unity c# delay function

void start()
{
  Invoke("DoSomething", 2);//this will happen after 2 seconds
}
void DoSomething()
{
	Debug.Log("2 seconds has passed!");
}

delay in unity

using UnityEngine;
using System.Collections;
    
public class WaitForSecondsExample : MonoBehaviour
{
    void Start()
    {
        StartCoroutine(Example());
    }

    IEnumerator Example()
    {
        print(Time.time);
        yield return new WaitForSeconds(5);
        print(Time.time);
    }
}