Need script the ai to follow the target(player) object

Unity Engine
1

i have player and enemy in my game .THE enemy need to follow the player .please provide me a script to achieve this

2 
	public Transform target;
	public float velocity = 10;
	
	void Update()
	{
		transform.LookAt(target);
		transform.Translate(Vector3.forward * velocity * Time.deltaTime);
	}

put this code in gameObject follower.

3

@fabsk not working

4

put in your IA class ( C# )

ex:

using UnityEngine;
using System.Collections;

public class IA: MonoBehaviour
{
	public Transform target;
	public float velocity = 10;
	
	void Update()
	{
		transform.LookAt(target);
		transform.Translate(Vector3.forward * velocity * Time.deltaTime);
	}
}
5

YA WORKING.thanks