anychart.onDocumentReady(function () {
var chart = anychart.line([
chart.title('Click on the chart. You have 3 clicks');
var listenKey = chart.listen('click', customListener);
function customListener(e) {
chart.title('Click on the chart. You have ' + counter + ' clicks');
chart.unlistenByKey(listenKey);
chart.title('You have no more clicks');
chart.container('container');