Registering an exception handler

gistfile1.js

pageModel.registerExceptionHandler("FeedbackNeeded", function (exception, ready) {
    doStuff(exception);
    doSomethingAsynchronousWithACallback(function(response){
        if (response.good) {
            exception.handled = true;
        }
        ready(); // tell the exception broker we're ready to go on
    });
});