puppeteer/website/versioned_docs/version-21.3.8/api/puppeteer.customerror.md

---
sidebar_label: CustomError
---

# CustomError class

> Warning: This API is now obsolete.
>
> Do not use.

#### Signature:

```typescript
export declare class CustomError extends Error
```

**Extends:** Error

## Remarks

The constructor for this class is marked as internal. Third-party code should not call the constructor directly or create subclasses that extend the `CustomError` class.
chore: release main (#9115) 2022-10-14 12:54:46 +00:00			`---`
			`sidebar_label: CustomError`
			`---`

			`# CustomError class`

			`> Warning: This API is now obsolete.`
			`>`
			`> Do not use.`

chore: release main (#9156) 2022-10-24 14:31:12 +00:00			`#### Signature:`
chore: release main (#9115) 2022-10-14 12:54:46 +00:00
			```typescript
			`export declare class CustomError extends Error`
			```

			`Extends: Error`

			`## Remarks`

			The constructor for this class is marked as internal. Third-party code should not call the constructor directly or create subclasses that extend the `CustomError` class.