Detecting controller collisions in Unity

ControllerCollisonDetector.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using Valve.VR;

public class ControllerCollisonDetector : MonoBehaviour
{    
 
    private bool inCollision = false;
    private string colliderName = "";
    
    public SteamVR_Action_Vibration hapticAction;


    // Start is called before the first frame update
    void Start()
    {
       
        hapticAction = SteamVR_Input.GetActionFromPath<SteamVR_Action_Vibration>("/actions/default/out/Haptic");
    }

    // Update is called once per frame
    void Update()
    {        
    }

   // slight vibrations on collision
    private void OnCollisionEnter(UnityEngine.Collision collision)
    {
        Debug.Log("Controller  collision entering" + collision.transform.name);

        inCollision = true;
        colliderName = collision.transform.name;

        if (gameObject.name.Contains("right"))
            hapticAction.Execute(0.0f, 0.05f, 50.0f, 0.1f, SteamVR_Input_Sources.RightHand);
        if (gameObject.name.Contains("left"))
            hapticAction.Execute(0.0f, 0.05f, 50.0f, 0.1f, SteamVR_Input_Sources.LeftHand);
    }

    private void OnCollisionExit(UnityEngine.Collision collision)
    {
        Debug.Log("Controller  collision exiting" + collision.transform.name);

        inCollision = false; // collision complete
        colliderName = "";

        if (gameObject.name.Contains("right"))
            hapticAction.Execute(0.0f, 0.05f, 50.0f, 0.1f, SteamVR_Input_Sources.RightHand);
        if (gameObject.name.Contains("left"))
            hapticAction.Execute(0.0f, 0.05f, 50.0f, 0.1f, SteamVR_Input_Sources.LeftHand);
    
    }


    public bool IsColliding()
    {
        return inCollision;
    }

    public string CollidingWith()
    {
        return colliderName;
    }

    
}