void RecursiveSearchTree(ref ObjectTree tree, string parent, GameObject go)
    {
        string retVal = go.name;

        if (go.transform.childCount == 0)
        {
            tree.Add(parent, go.name);
            return;
        }
        else
        {
            var node = tree.Add(parent, go.name);
            for (int i = 0; i < go.transform.childCount; i++)
            {
                RecursiveSearchTree(ref tree, node.name, go.transform.GetChild(i).gameObject);
            }
        }
        return;
    }