Tooltip

<div id="surface"></div>
<script>
    var draw = kendo.drawing;
    var geom = kendo.geometry;

    var rectGeometry = new geom.Rect([0, 0], [100, 100]);
    var rect = new draw.Rect(rectGeometry, {
        fill: { color: "purple" },
        tooltip: {
            content: "This is a rectangle"
        }
    });

    var surface = draw.Surface.create($("#surface"));
    surface.draw(rect);
</script>