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[`Plugin`](Plugin) › [`addRibbonIcon`](Plugin/addRibbonIcon)
## Plugin.addRibbonIcon() method
Adds a ribbon icon to the left bar.
**Signature:**
```typescript
addRibbonIcon(icon: IconName, title: string, callback: (evt: MouseEvent) => any): HTMLElement;
```
## Parameters
| Parameter | Type | Description |
| --- | --- | --- |
| <code>icon</code> | [`IconName`](IconName) | The icon name to be used. See [addIcon()](addIcon) |
| <code>title</code> | <code>string</code> | The title to be displayed in the tooltip. |
| <code>callback</code> | <code>(evt: </code><code>MouseEvent</code><code>) => any</code> | <p>The <code>click</code> callback.</p><p> 0.9.7</p> |
**Returns:**
`HTMLElement`