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  • Pasha Craydon thinks this is interesting:

var BooksController = Marionette.Controller.extend({ initialize: function(options){ this.region = options.region; }, showBooksinCategory: function(category){ var books = App.request("GetBooksByCategory ", category); this.region.show(new CategoryView({collection:books})); } });

From

Cover of Getting Started with Backbone Marionette

Note

Use RequestResponse object to de-couple sync events