creator.js

 // Show questions in topic x
        self.states.add('states_questions', function(name, opts) {
            return go.utils.get_snappy_questions(self.im, 
                        self.im.config.snappy.default_faq, self.im.user.answers.states_start)
                .then(function(response) {
                    if (typeof response.data.error  !== 'undefined') {
                        // TODO Throw proper error
                        return error;
                    } else {
                        var choices = response.data.map(function(d) {
                            return new Choice(d.id, d.question);
                        });
                        return {
                            choices: choices,
                            api_response: response
                        };
                    }
                })
                .then(function(choices, api_response) {
                    return new ChoiceState(name, {
                        question: $('Please choose a question:'),
                        choices: choices,
                        next: function(){
                            return {
                                name: 'states_answers',
                                creator_opts: api_response
                            };
                        }

                    });
                });
        });

        // Show answer in question x
        self.states.add('states_answers', function(name, opts) {
                pages = opts.data;
                return new BookletState(name, {
                    pages: pages.length,
                    page_text: function(n) {return pages[n];},
                    buttons: {"1": -1, "2": +1, "3": "exit"},
                    footer_text:$([
                        "1. Prev",
                        "2. Next",
                        "3. Exit"
                    ].join("\n")),
                    next: 'states_end'
                });
        });