> Fetch clean Markdown by appending `.md` to any page URL under https://signalwire.com/docs or requesting it with the HTTP header `Accept: text/markdown`. The root index at https://signalwire.com/docs/llms.txt lists the available documentation indexes.

# setLogLevel

> Set the log level for the built-in logger.

```ts
setLogLevel(level): void
```

Set the log level for the built-in logger.
Has no effect when a custom logger is set via `setLogger()`.

## **Parameters**

**`level`** `LogLevel` — required

New minimum log level for the built-in logger. See [`LogLevel`](/docs/browser-sdk/v4/reference/type-aliases/log-level).

---

## **Returns**

`void`

## **Examples**

### Switch to verbose logging in development

```ts
import { setLogLevel } from '@signalwire/js';

if (import.meta.env.DEV) {
  setLogLevel('debug');
}
```

> Set the log level for the built-in logger.