anychart.onDocumentReady(function () {
var chart = anychart.sparkline([50, 15, 20, 60, 20, 70, 30]);
chart.minFill(["#FAFAFA", "#757575"], 0.5, 0.5, null, 0.9, 0.3, 0.81);
chart.title({text: "Set radial gradient fill for the minimum point", orientation: "top"});
chart.container("container");