puppeteer/website/versioned_docs/version-22.6.3/api/puppeteer.registercustomqueryhandler.md

---
sidebar_label: registerCustomQueryHandler
---

# registerCustomQueryHandler() function

> Warning: This API is now obsolete.
>
> Import [Puppeteer](./puppeteer.puppeteer.md) and use the static method [Puppeteer.registerCustomQueryHandler()](./puppeteer.puppeteer.registercustomqueryhandler.md)

#### Signature:

```typescript
export declare function registerCustomQueryHandler(
  name: string,
  handler: CustomQueryHandler
): void;
```

## Parameters

<table><thead><tr><th>

Parameter

</th><th>

Type

</th><th>

Description

</th></tr></thead>
<tbody><tr><td>

name

</td><td>

string

</td><td>

</td></tr>
<tr><td>

handler

</td><td>

[CustomQueryHandler](./puppeteer.customqueryhandler.md)

</td><td>

</td></tr>
</tbody></table>
**Returns:**

void