> ## Documentation Index
> Fetch the complete documentation index at: https://docs-dev.auth0-mintlify.app/llms.txt
> Use this file to discover all available pages before exploring further.

# LanguageChangeOptions

```ts Example theme={null}
export interface LanguageChangeOptions {
  language: string;
  persist?: 'session';
  [key: string]: string | number | boolean | undefined;
}
```

## Indexable

\[`key`: `string`]: `string` | `number` | `boolean` | `undefined`

## Properties

<ParamField body="language" type="string" required>
  Short language name (locale code) to be set (for example, `'en'`, `'fr'`, `'es'`).
</ParamField>

<ParamField body="persist?" type="&#x22;session&#x22;">
  Defines persistence scope for the language preference. When set to `'session'`, the selected language persists for the duration of the session.
</ParamField>