gistfile1.js

Y.namespace('tnsg5').Tile = Y.Base.create("tile", Y.Widget,[], {

		initializer: function () {
			this.dataSource = this.getDataSourceInstance();

			var dsCfg = {
				request: "cb={}",
				callback: {
                                        //HERE IS WHERE THE FUNCTION IS ADDED
					success: this.onSuccessfulLoad
				}
			}

			this.dataSource.sendRequest(dsCfg);
		},

		onSuccessfulLoad: function (e) {
			var that = this;
                        //ERROR! How do I get this to refer to the class instance?
			that.tileNode.one('.tileTitle').set('text', e.data.title);
                }
}