Unity 3D Auto Set Up OffMeshLink in AssetPostProcessor

using UnityEngine;
using UnityEditor;
using System.Collections;

public class ModelImportProcessor : AssetPostprocessor
{
    // requires a CustomEditor of OffmeshLinkInspector!
    void OnPostprocessModel (GameObject g)
    {
        Apply (g.transform);
    }

    void Apply (Transform t)
    {

        if (t.name.ToLower ().Contains ("ladder")) {
            var link = t.gameObject.AddComponent<OffMeshLink> ();

            // find top & bottom of ladder

            SerializedObject linkObj = new SerializedObject (link);
            var start = linkObj.FindProperty ("m_Start");
            var end = linkObj.FindProperty ("m_End");
            var layer = linkObj.FindProperty ("m_NavMeshLayer");

            Debug.Log ("ladder found");

            foreach (Transform child in t) {
                Debug.Log ("child: " + child.name);
                if (child.name.ToLower ().StartsWith ("top")) {
                    start.objectReferenceValue = child;
                    Debug.Log ("set start");
                }
                if (child.name.ToLower ().StartsWith ("bottom")) {
                    end.objectReferenceValue = child;
                    Debug.Log ("set end");
                }

            }

            layer.intValue = NavMesh.GetNavMeshLayerFromName ("Ladder");


            linkObj.ApplyModifiedProperties ();

        }

        // Recurse
        foreach (Transform child in t) {
            Apply (child);
        }
    }

}