shapes.fill.opacityNumber(default: 1)
Defines the fill opacity of the shape.
Example
<div id="diagram"></div>
<script>
$("#diagram").kendoDiagram({
    shapes: [{
        id: "1",
        x: 100,
        y: 100,
        content: { text: "Shape 1" },
        fill: {
            opacity: 0.5
        }
    }]
});
</script>In this article