anychart.onDocumentReady(function () {
var chart = anychart.gauges.circular([{value: 20}, {value: 10}]);
var firstMarker = chart.marker();
firstMarker.fill('#FF8A65');
var secondMarker = chart.marker(1);
secondMarker.fill('#4DB6AC');
chart.title('Get and modify marker pointer');
chart.container('container');