SplitApp - how to get record selected

Hi

I am following some tutorials and am trying to create a sample splitapp application and am able to load records in master view. Now in Master controller I am trying to select the whole record, I am able to get spath or indivdual value like order/description but not to the complete record. It comes as null (var item below)

var oSelect = oEvent. getParameter("listItem");

  var context1 = oSelect.getBindingContext();

  var sp = context1.sPath;

  var orId = context1.getProperty("order");

  var item = sap.ui.getCore().getModel().getProperty(orId);

  console.log(context1,sp,orId,item);

  }

My json model is there in Master controller INIT method.

onInit: function() {

  var oModel = new sap.ui.model.json.JSONModel("model/mock.json");

  sap.ui.getCore().setModel(oModel);

  },

Please help and let me know how to reach complete record.

Thanks

Justin