puppeteer/website/versioned_docs/version-21.3.6/browsers-api/browsers.makeprogresscallback.md

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---
sidebar_label: makeProgressCallback
---
# makeProgressCallback() function
#### Signature:
```typescript
export declare function makeProgressCallback(
browser: Browser,
buildId: string
): (downloadedBytes: number, totalBytes: number) => void;
```
## Parameters
| Parameter | Type | Description |
| --------- | -------------------------------- | ----------- |
| browser | [Browser](./browsers.browser.md) | |
| buildId | string | |
**Returns:**
(downloadedBytes: number, totalBytes: number) => void