IMove.cs

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

public interface IMove
{
	void SetTarget(Transform newtarget);
}

MoveTo.cs

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


public class MoveTo : MonoBehaviour ,IMove
{
	Transform target;

	public void SetTarget(Transform newTarget)
	{
		target = newTarget;
	}

	void Update () 
	{
		transform.position += Vector3.ClampMagnitude( target.position - transform.position, 0.3f);
	}
}

Spawn.cs

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


public class Spawn : MonoBehaviour
{
	[SerializeField] GameObject prefab;
	[SerializeField] Transform target;

	void Start()
	{
		var obj = GameObject.Instantiate(prefab);
		obj.GetComponent<IMove>().SetTarget(target);
	}
}