ClipPlay.Views.SampleEditor = Marionette.CollectionView.extend({ itemView: ClipPlay.Views.Sample, itemViewOptions: function(model, index) { return { collection: this.collection }; }, onRender: function() { // Initialize view for adding new samples this.sample_add_view = new ClipPlay.Views.SampleAddView({ el: $('#add-sample'), collection: this.collection }); } });