Switching Paths with iTween

Hello I have a camera following an iTween Path and I want the camera when it collides wit an object to move to another path

Here's the code thats not working :

Thanks in advance

 using UnityEngine;
 using System.Collections;
 
 public class triggerPath : MonoBehaviour {
 
     public Transform[] NewPath;
     public float percentage;
     public GameObject myCam;
 
     void OnTriggerEnter(Collider other) {
 
         iTween.PutOnPath(myCam,NewPath,percentage);
 
         }
 
 }