ControllerColliderHit.collider

Description

The collider that was hit by the controller.

using UnityEngine;

public class Example : MonoBehaviour
{
    void OnControllerColliderHit(ControllerColliderHit hit)
    {
        // Call a damage function on the object we hit.
        hit.gameObject.SendMessage("ApplyDamage", 5);
    }
}