Demo event handling in SAPUI5 Viz Chart

<!DOCTYPE HTML>
<html>

<head>
  <meta http-equiv="X-UA-Compatible" content="IE=edge" />
  <meta charset="UTF-8">
  <title>Column Chart</title>
  <script id="sap-ui-bootstrap" type="text/javascript" src="https://sapui5.hana.ondemand.com/resources/sap-ui-core.js" data-sap-ui-theme="sap_bluecrystal" data-sap-ui-libs="sap.m" data-sap-ui-xx-bindingSyntax="complex">
  </script>
  <!-- XML-based view definition -->
  <script id="demoView" type="sapui5/xmlview">
    <mvc:View height="100%" width="100%" controllerName="local.controller" xmlns:viz="sap.viz.ui5.controls" xmlns:mvc="sap.ui.core.mvc" xmlns="sap.m">
      <viz:VizFrame xmlns:viz="sap.viz.ui5.controls" id="idVizFrame" uiConfig="{applicationSet:'fiori'}" vizType="stacked_column" width="100%">
        <viz:dataset>
          <dataSet:FlattenedDataset xmlns:dataSet="sap.viz.ui5.data" data="{/}">
            <dataSet:dimensions>
              <dataSet:DimensionDefinition name="Year" value="{Year}">
              </dataSet:DimensionDefinition>

              <dataSet:DimensionDefinition name="City" value="{City}">
              </dataSet:DimensionDefinition>

            </dataSet:dimensions>
            <dataSet:measures>
              <dataSet:MeasureDefinition name="Profit" value="{Profit}">
              </dataSet:MeasureDefinition>
            </dataSet:measures>
          </dataSet:FlattenedDataset>
        </viz:dataset>
        <viz:feeds>
          <feed:FeedItem xmlns:feed="sap.viz.ui5.controls.common.feeds" uid="valueAxis" type="Measure" values="Profit" />
          <feed:FeedItem xmlns:feed="sap.viz.ui5.controls.common.feeds" uid="categoryAxis" type="Dimension" values="Year" />
          <feed:FeedItem xmlns:feed="sap.viz.ui5.controls.common.feeds" uid="color" type="Dimension" values="City" />
        </viz:feeds>
      </viz:VizFrame>
    </mvc:View>
  </script>
  <script>
    // Controller definition
    sap.ui.define([
      "sap/ui/core/mvc/Controller",
      "sap/ui/model/json/JSONModel",
      "sap/viz/ui5/controls/common/feeds/FeedItem",
      "sap/viz/ui5/data/FlattenedDataset"
    ], function(Controller, JSONModel, FeedItem, FlattenedDataset) {
      "use strict";
      return Controller.extend("local.controller", {

        onInit: function(oEvent) {
          this._setupChart();
        },

        _setupChart: function() {

          var oVizFrame = this.getView().byId("idVizFrame");
          oVizFrame.setModel(new JSONModel('./data.json'))
          oVizFrame.setVizProperties({
            interaction: {
              behaviorType: null
            },
            plotArea: {
              dataLabel: {
                visible: false
              }
            },
            valueAxis: {
              title: {
                visible: true,
              },
            },
            categoryAxis: {
              title: {
                visible: false,
                text: 'Category text'
              },
              label: {
                hideSubLevels: false
              },
            },
            title: {
              visible: true,
              text: 'Project'
            },
            tooltip: {
              visible: true,
            }
          });
        }

      });
    });
    // Instantiate the View and display
    sap.ui.xmlview({
      viewContent: jQuery('#demoView').html()
    }).placeAt('content');
  </script>
</head>

<body class="sapUiBody" role="application">
  <div id="content"></div>
</body>
</html>

[{
                    "Year": 2001,
                    "City": "New York ",
                    "Profit": 249.08,
                    "Unit Price": 1117.60,
                    "Units Available": 13076,
                    "Cost": 139033.42,
                    "Revenue": 207685.42,
                    "Units Sold": 4437
                }, {
                    "Year": 2001,
                    "City": "San Francisco ",
                    "Profit": 191.82,
                    "Unit Price": 175.78,
                    "Units Available": 2049,
                    "Cost": 17599.08,
                    "Revenue": 22288.10,
                    "Units Sold": 792
                }, {
                    "Year": 2001,
                    "City": "Washington",
                    "Profit": 115.50,
                    "Unit Price": 1708.42,
                    "Units Available": 20130,
                    "Cost": 355556.57,
                    "Revenue": 496078.98,
                    "Units Sold": 7319
                }, {
                    "Year": 2003,
                    "City": "New York ",
                    "Profit": 38.40,
                    "Unit Price": 811.06,
                    "Units Available": 12560,
                    "Cost": 95397.98,
                    "Revenue": 138848.39,
                    "Units Sold": 3490
                }, {
                    "Year": 2003,
                    "City": "San Francisco ",
                    "Profit": 150.00,
                    "Unit Price": 780.17,
                    "Units Available": 7767,
                    "Cost": 107074.12,
                    "Revenue": 162087.28,
                    "Units Sold": 2619
                }, {
                    "Year": 2003,
                    "City": "Washington",
                    "Profit": 382.50,
                    "Unit Price": 1197.07,
                    "Units Available": 18508,
                    "Cost": 210012.08,
                    "Revenue": 338402.77,
                    "Units Sold": 6085
                }]