// print the point's normal we impacted
    function OnControllerColliderHit(hit : ControllerColliderHit) {
        Debug.Log("Normal vector we collided at: " + hit.normal);
    }

using UnityEngine;
using System.Collections;

public class example : MonoBehaviour {
    void OnControllerColliderHit(ControllerColliderHit hit) {
        Debug.Log("Normal vector we collided at: " + hit.normal);
    }
}

import UnityEngine
import System.Collections

class example(MonoBehaviour):

    def OnControllerColliderHit(hit as ControllerColliderHit):
        Debug.Log(('Normal vector we collided at: ' + hit.normal))