puppeteer/website/versioned_docs/version-19.4.0/api/puppeteer.customqueryhandler.md

---
sidebar_label: CustomQueryHandler
---

# CustomQueryHandler interface

#### Signature:

```typescript
export interface CustomQueryHandler
```

## Properties

| Property                                                | Modifiers | Type                                              | Description       | Default |
| ------------------------------------------------------- | --------- | ------------------------------------------------- | ----------------- | ------- |
| [queryAll?](./puppeteer.customqueryhandler.queryall.md) |           | (node: Node, selector: string) =&gt; Node\[\]     | <i>(Optional)</i> |         |
| [queryOne?](./puppeteer.customqueryhandler.queryone.md) |           | (node: Node, selector: string) =&gt; Node \| null | <i>(Optional)</i> |         |