Detect which material was selected by the material picker

body-end.html

<script>
  var viewer = WALK.getViewer();
  viewer.onSceneReadyToDisplay(function() {
    var setMaterialForMeshOriginal = viewer.setMaterialForMesh;
    viewer.setMaterialForMesh = function(material, mesh) {
      console.log('Material selected ' + material.name);
      setMaterialForMeshOriginal.apply(this, [material, mesh]);
    }
  });
</script>