var data1 = [
    {"name": "Jessie", "value": [100, 200, 300, 120, 320]}
];

var options1 = {
    id: "chart",
    data: {
        plain: data1,
    },
};

var lineChart = new C9.LineChart(options1);
lineChart.draw();
lineChart.on('mousemove', function(data) {
    document.getElementById('expand').innerHTML += ' User just moved over user ' + data[0].name + ' consisting of ' + data[0].valueY;
});