google.load('visualization', '1.1', {packages: ['sankey']});
google.setOnLoadCallback(drawChart);
function drawChart() {
var data = new google.visualization.DataTable();
data.addColumn('string', 'From');
data.addColumn('string', 'To');
data.addColumn('number', 'Weight');
data.addRows([
[ 'A', 'X', 5 ],
[ 'A', 'Y', 7 ],
[ 'A', 'Z', 6 ],
[ 'B', 'X', 2 ],
[ 'B', 'Y', 9 ],
[ 'B', 'Z', 4 ],
[ 'Z', 'H', 4 ],
]);
// Sets chart options.
var options = {
width: 600,
sankey: {
node: {
interactivity: true
}
}
};
// Instantiates and draws our chart, passing in some options.
var chart = new google.visualization.Sankey(document.getElementById('sankey_basic'));
chart.draw(data, options);
}
<script type="text/javascript" src="https://www.google.com/jsapi"></script>
<div id="sankey_basic" style="width: 900px; height: 300px;"></div>