// print the point we impacted
function OnControllerColliderHit(hit : ControllerColliderHit) {
Debug.Log("I impacet at: " + hit.point);
}

using UnityEngine;
using System.Collections;

public class example : MonoBehaviour {
void OnControllerColliderHit(ControllerColliderHit hit) {
Debug.Log("I impacet at: " + hit.point);
}
}

import UnityEngine
import System.Collections

class example(MonoBehaviour):

def OnControllerColliderHit(hit as ControllerColliderHit):
Debug.Log(('I impacet at: ' + hit.point))