> ## Documentation Index
> Fetch the complete documentation index at: https://docs.supernote.com/llms.txt
> Use this file to discover all available pages before exploring further.

# setLassoTitle

> Set lasso-selected strokes or geometries as a title.

<Note>
  This API supports undo/redo in NOTE.

  Only elements on the main lasso layer are supported (strokes, geometries, TextBox elements). Other layers are not supported.

  Recommended to call this API from the plugin UI entered via a lasso toolbar button.
</Note>

```ts theme={null}
static setLassoTitle(params: { style: number }): Promise<APIResponse<boolean>>;
```

**Parameters**

| Parameter      | Type     | Description                                                                                     |
| -------------- | -------- | ----------------------------------------------------------------------------------------------- |
| `params.style` | `number` | Title style: `0` remove title, `1` black background, `2` gray-white, `3` gray-black, `4` shadow |

**Returns**

* [`APIResponse<boolean>`](/en/api-reference/supernote-plugin/types/api-response):
  `result === true` indicates the call succeeded

## Example

```ts wrap theme={null}
import { PluginNoteAPI } from 'sn-plugin-lib';

/**
 * Example: set title style for the lasso selection.
 */
export async function exampleSetLassoTitle() {
 const res = await PluginNoteAPI.setLassoTitle({ style: 1 });
 if (!res.success) {
 throw new Error(res.error?.message ?? 'setLassoTitle call failed');
 }
 return res.result;
}
```