Unity C# - Hololens Creating an intractable model on Run time

To attach a script to a game object as component during run time, create a new C# script  and paste the below contents.

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using HoloToolkit.Unity.InputModule.Utilities.Interactions;

public class AttachScript : MonoBehaviour
{
    public GameObject  DmuModel;

    void Start()
    {
         Transform[] allchild = DmuModel.GetComponentsInChildren<Transform>();
           foreach (Transform child in allchild)
             {

              child.gameObject.AddComponent<MeshCollider>();
               child.gameObject.AddComponent<TwoHandManipulatable>();
           }

    }

}