anychart.onDocumentReady(function () {
var dataSet = anychart.data.set([
{x: "Physical", value: 125},
{x: "Data Link", value: 125},
{x: "Network", value: 125},
{x: "Transport", value: 125},
{x: "Session", value: 125},
{x: "Presentation", value: 125},
{x: "Application", value: 290}
var chart = anychart.pyramid(dataSet);
var selectedMarkers = chart.selectMarkers();
selectedMarkers.type("star4");
selectedMarkers.size(20);
chart.title("Get and modify chart selectMarkers object.");
chart.container("container");