> For the complete documentation index, see [llms.txt](https://docs.hello-lisa.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.hello-lisa.com/developers/widgets/configuration-options/client.md).

# Client

The client option is required with every configuration you register to your library. It accepts a string value — the client identifier you received during LiSA account creation.

If omitted, LiSA Library will not initialize itself.

```
window.LiSA.library.configs.push({
  client: 'YOUR_CLIENT_IDENTIFIER',
});
```