How to use pyramid_traversalwrapper

[pyramidnewbie]

Hi,

   I'm new to pyramid traversal and having a hard time understanding how to use the pyramid_traversalwrapper. I added these two lines in my initialization code:

    config = Configurator(root_factory=Root)

    config.registry.registerAdapter(ModelGraphTraverser, (Interface,),

                                ITraverser)

and it seems that the traversals are being done using the ModelGraphTraverser, however, what do I need to do with the rest of my model to be able to use the resource-aware functions like resource_path and find_root and such. Confused. 

Erin