On Mon, Jun 22, 2015 at 8:21 PM, Robin Gareus <robin@gareus.org> wrote:

There are also SetProperty() and GetProperty() and GetPropertyInfo
methods in AU, one can set up Listeners (callbacks for changes) and you
can also pass around PropertyList and Dicts..

and best of all, you can easily set up listeners in other threads or even in other processes!