code

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

public enum Power
{
    none,
    Speed,
    Shield,
    Attack,
    Health,
}
public enum Colors
{
   none,
   Red,
   Blue ,
   Green,
}

public class PowerUp : MonoBehaviour {

    [SerializeField]
    private  Power pow;
    [SerializeField]
    private Colors col;
    private PhotonView myPhotonView;

     void Start()
    {
        myPhotonView = GetComponent<PhotonView>();
    }

     void Update()
    {
    }

    [PunRPC]
    void OnCollisionEnter2D(Collision2D col)
    {
        if (col.gameObject.tag.Equals("Player"))
        {
            col.gameObject.GetComponent<PlayerBehaviourCs>().powerUp(pow.ToString(), col.ToString());
            Destroy(this.gameObject);
        }
        else
        {
            Destroy(this.gameObject);
        }
    }
    void OnPhotonSerializeView(PhotonStream stream, PhotonMessageInfo info)
    {
        if (stream.isWriting)
        {

            // stream.SendNext ()
        }
        else
        {

        }
    }

}