Update LegendModel.ts

src/component/legend/LegendModel.ts

@@ -97,6 +97,11 @@ export interface LegendOption extends ComponentOption, BoxLayoutOptionMixin, Bor
      * @default 5
      */
     padding?: number | number[]
+    /**
+     * Icon of the legend items.
+     * @default 'roundRect'
+     */
+    icon?: string
     /**
      * Gap between each legend item.
      * @default 10