RenderImage.LoadModel C# (CSharp) Method

    public void LoadModel(string model)
    {
        this.UnloadModel();

        Object prefab = Resources.Load(model);
        GameObject go = ((GameObject)Object.Instantiate(prefab));
        _model = go.transform;
        _model.SetParent(this.modelRoot, false);
    }

 override protected void OnShown()
 {
     _renderImage.LoadModel("Role/npc");
     _renderImage.modelRoot.localPosition = new Vector3(0, -1.0f, 5f);
     _renderImage.modelRoot.localScale    = new Vector3(1, 1, 1);
     _renderImage.modelRoot.localRotation = Quaternion.Euler(0, 120, 0);
 }