define(['app', 'jquery', 'underscore', 'backbone', 'model/item/itemModel'], function (app, $, _, Backbone, Item){ var Items=Backbone.Collection.extend({ ricettaId: null, initialize: function (options) { this.ricettaId = options.ricettaId; }, // Book is the model of the collection model:Item, url: function() { return myManifest.Settings.DefaultURL + "/serviceapp.php?method=getHeaderRicetta&id=" + this.ricettaId; } }); return Items; });