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[`SettingGroup`](SettingGroup) › [`addExtraButton`](SettingGroup/addExtraButton)
## SettingGroup.addExtraButton() method
1.11.0
**Signature:**
```typescript
addExtraButton(cb: (component: ExtraButtonComponent) => any): this;
```
## Parameters
| Parameter | Type | Description |
| --- | --- | --- |
| <code>cb</code> | <code>(component: </code>[`ExtraButtonComponent`](ExtraButtonComponent)<code>) => any</code> | |
**Returns:**
`this`