anychart.onDocumentReady(function () {
var chart = anychart.line([
chart.yScale().minimum(0);
var controller = chart.annotations();
var annotation = controller.rectangle();
annotation.valueAnchor(17.5);
annotation.secondXAnchor(2.1);
annotation.secondValueAnchor(18.5);
annotation.fill([{offset: 0.2, color: '#DCE35B', opacity: 0.6}, '#45B649 0.6']);
chart.title('Set fill parameter as an array');
chart.container('container');