In this example, you can see how to render doughnut chart. You can use radius and innerRadius properties to render the doughnut and also use border, fill properties to customize the point. dataLabel is used to represent individual data and its value. Tooltip is enabled in this example, to see the tooltip in action, hover a point or tap on a point in touch enabled devices. Injecting Module AccumulationChart component features are segregated into individual feature-wise modules. To use legend, we need to Inject AccumulationLegend into the @NgModule.providers section.