static function CreateEmptyPrefab (path : String) : Object

Description

Creates an empty prefab at given path.

If a prefab at the path already exists it will be deleted and replaced with an empty prefab. Returns a reference to the prefab.

// Creates a prefab from the selected GameObjects.
// if the prefab already exists it asks if you want to replace it

@MenuItem("Examples/Create Prefab From Selected")
static function CreatePrefab() {
    var objs = Selection.gameObjects;

    for (var go : GameObject in objs) {
        var localPath : String = "Assets/" + go.name + ".prefab";
        if (AssetDatabase.LoadAssetAtPath(localPath, GameObject)) {
            if (EditorUtility.DisplayDialog("Are you sure?", 
                "The prefab already exists. Do you want to overwrite it?", 
                "Yes", 
                "No"))
                    CreateNew(go, localPath);
        }
        else
            CreateNew(go, localPath);
    }
}
@MenuItem("Examples/Create Prefab From Selected", true)
static function ValidateCreatePrefab() {
    return Selection.activeGameObject != null;
}

static function CreateNew(obj : GameObject, localPath : String) {
    var prefab : Object = PrefabUtility.CreateEmptyPrefab(localPath);
    PrefabUtility.ReplacePrefab(obj, prefab, ReplacePrefabOptions.ConnectToPrefab);
}