using UnityEngine;
using System.Collections;

public class NewBehaviourScript : MonoBehaviour {
public playerTarget Transform;
public pa PlayerAttack = GetComponent("PlayerAttack");
//empty RaycastHit object which raycast puts the hit details into
public hit RaycastHit;
//ray shooting out of the camera from where the mouse is
public ray Ray = Camera.main.ScreenPointToRay(Input.mousePosition);

void Update() {

//check if the left mouse has been pressed down this frame
if (Input.GetMouseButtonUp(0)) {



    if (Physics.Raycast(ray, hit)){

    if (hit.collider.gameObject.CompareTag("Enemy")) {

    //print out the name if the raycast hits something

        Debug.Log(hit.collider.name);

        playerTarget = hit.collider.transform;

        Debug.Log("PlayerTarget Successfully changed");

        pa.target = playerTarget;

    }
    else{

        Debug.Log(hit.collider.name + " no tag");
           }
       }
    }
}

}

it dont work so pls help

im work in c# not java scipt