// defines the xml structure
ModelType type = new ModelType();
type.setRoot("records");
type.addField("Sender", "name");
type.addField("Email", "email");
type.addField("Phone", "phone");
type.addField("State", "state");
type.addField("Zip", "zip");
//Determine if Explorer or Example for JSON path
String path = GWT.getHostPageBaseURL() + (Examples.isExplorer() ? "" : "../../" ) + "data/data.json";