unity3d rotate towards object code example

Example 1: unity rotate towards

Quaternion.RotateTowards(Quaternion from, Quaternion to, float maxDegreesDelta);

Example 2: have something point at the player

using System;
using UnityEngine;

public class LookAtTarget : MonoBehaviour
{
     public Transform target;
     
  void Update()
  {
       if(target != null)
       {
            transform.LookAt(target);
       }
  }
  
}