text: // app/preview/preview_app_router.js
  
  define(["app",
          "apps/preview/views/preview_views"],
      function(ProducerManager, PreviewViews){
    ProducerManager.module("Routers.PreviewApp", function(PreviewAppRouter, ProducerManager, Backbone, Marionette, $, _){
      PreviewAppRouter.Router = Marionette.AppRouter.extend({
        appRoutes: {
        }
      });
  
      var executeAction = function(action, arg){
        ProducerManager.startSubApp("PreviewApp");
        action(arg);
      };
  
      var API = {};
  
      ProducerManager.Routers.on("start", function(){
        new PreviewAppRouter.Router({
          controller: API
        });
      });
    });
  
    return ProducerManager.PreviewAppRouter;
  });