Code not working in C#

Hello, I have a code which I currently test it. The code is in javascript. I've convert the code to C# but when I test the code, it did nothing. Am I missing something in the code? The code returns no error though. Can somebody lend me a hand to solve this out? By the way, the code is not mine, just using it for reference purpose.

Here's the javascript version:

 #pragma strict
 
 var waypoint : Transform[];        // The amount of Waypoint you want
 var patrolSpeed : float = 3;       // The walking speed between Waypoints
 var loop : boolean = true;       // Do you want to keep repeating the Waypoints
 var dampingLook = 6.0;          // How slowly to turn
 var pauseDuration : float = 0;   // How long to pause at a Waypoint
  
 private var curTime : float;
 private var currentWaypoint : int = 0;
 private var character : CharacterController;
  
 function Start(){
  
     character = GetComponent(CharacterController);
 }
  
 function Update(){
  
     if(currentWaypoint < waypoint.length){
         patrol();
     }else{    
         if(loop){
             currentWaypoint=0;
         } 
     }
 }
  
 function patrol(){
  
     var target : Vector3 = waypoint[currentWaypoint].position;
     target.y = transform.position.y; // Keep waypoint at character's height
     var moveDirection : Vector3 = target - transform.position;
  
     if(moveDirection.magnitude < 0.5){
         if (curTime == 0)
             curTime = Time.time; // Pause over the Waypoint
         if ((Time.time - curTime) >= pauseDuration){
             currentWaypoint++;
             curTime = 0;
         }
     }else{        
         var rotation = Quaternion.LookRotation(target - transform.position);
         transform.rotation = Quaternion.Slerp(transform.rotation, rotation, Time.deltaTime * dampingLook);
         character.Move(moveDirection.normalized * patrolSpeed * Time.deltaTime);
     }  
 }

and here's the C# version:

 using UnityEngine;
     using System.Collections;
  
     public class ClassName: MonoBehaviour {
  
  
     public Transform[] waypoint;        // The amount of Waypoint you want
     public float patrolSpeed = 3f;       // The walking speed between Waypoints
     public bool  loop = true;       // Do you want to keep repeating the Waypoints
     public float dampingLook= 6.0f;          // How slowly to turn
     public float pauseDuration = 0;   // How long to pause at a Waypoint
  
     private float curTime;
     private int currentWaypoint = 0;
     private CharacterController character;
  
     void  Start (){
  
         character = GetComponent<CharacterController>();
     }
  
     void  Update (){
  
         if(currentWaypoint < waypoint.length){
             patrol();
         }else{    
             if(loop){
                 currentWaypoint=0;
             } 
         }
     }
  
     void  patrol (){
  
         Vector3 target = waypoint[currentWaypoint].position;
         target.y = transform.position.y; // Keep waypoint at character's height
         Vector3 moveDirection = target - transform.position;
  
         if(moveDirection.magnitude < 0.5f){
             if (curTime == 0)
                 curTime = Time.time; // Pause over the Waypoint
             if ((Time.time - curTime) >= pauseDuration){
                 currentWaypoint++;
                 curTime = 0;
             }
         }else{        
             var rotation= Quaternion.LookRotation(target - transform.position);
             transform.rotation = Quaternion.Slerp(transform.rotation, rotation, Time.deltaTime * dampingLook);
             character.Move(moveDirection.normalized * patrolSpeed * Time.deltaTime);
         }  
     }
     }