The controller that hit the collider.

	// CharacterControllers we touch, disable collision detection.
	function OnControllerColliderHit(hit : ControllerColliderHit) {
		hit.controller.detectCollisions = false;
	}

using UnityEngine;
using System.Collections;

public class Example : MonoBehaviour {
    void OnControllerColliderHit(ControllerColliderHit hit) {
        hit.controller.detectCollisions = false;
    }
}

import UnityEngine
import System.Collections

public class Example(MonoBehaviour):

	def OnControllerColliderHit(hit as ControllerColliderHit) as void:
		hit.controller.detectCollisions = false