html, body, #container {

    width: 100%;

    height: 100%;

    margin: 0;

    padding: 0;

}

anychart.onDocumentReady(function () {

    var data = anychart.data.set([

        {x: "Physical", value: 125},

        {x: "Data Link", value: 125},

        {x: "Network", value: 125},

        {x: "Transport", value: 125}

    ]);

​

    var chart = anychart.pyramid(data);

​

    // Get data.

    var getData = chart.data();

​

    var newData = getData.concat([

        {x: "Session", value: 125},

        {x: "Presentation", value: 125},

        {x: "Application", value: 290, label: {anchor: "centerTop"}}

    ]);

    chart.labels({position: "inside"});

    chart.data(newData);

    chart.title("Get and modify data.");

    chart.container("container");

    chart.draw();

});