puppeteer/website/versioned_docs/version-19.7.5/api/puppeteer.customqueryhandler.md

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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) => Iterable<Node> | _(Optional)_ |         |
| [queryOne?](./puppeteer.customqueryhandler.queryone.md) |           | (node: Node, selector: string) => Node \| null         | _(Optional)_ |         |