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[Home](./index.md) &gt; [puppeteer](./puppeteer.md) &gt; [Protocol](./puppeteer.protocol.md) &gt; [Browser](./puppeteer.protocol.browser.md) &gt; [GetHistogramsRequest](./puppeteer.protocol.browser.gethistogramsrequest.md)

## Protocol.Browser.GetHistogramsRequest interface

<b>Signature:</b>

```typescript
export interface GetHistogramsRequest 
```

## Properties

|  Property | Type | Description |
|  --- | --- | --- |
|  [delta](./puppeteer.protocol.browser.gethistogramsrequest.delta.md) | boolean | If true, retrieve delta since last call. |
|  [query](./puppeteer.protocol.browser.gethistogramsrequest.query.md) | string | Requested substring in name. Only histograms which have query as a substring in their name are extracted. An empty or absent query returns all histograms. |