puppeteer/website/versioned_docs/version-22.11.0/api/puppeteer.registercustomqueryhandler.md
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---
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