---
description: Browser Run now supports structured handoff, letting automation scripts formally request human intervention and resume when complete.
title: Browser Run adds structured handoff for Human in the Loop
image: https://developers.cloudflare.com/changelog/post/2026-07-28-human-in-the-loop/og.png?v=17111e840f2aee9b
---

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July 28, 2026

## Browser Run adds structured handoff for Human in the Loop

[Browser Run](https://developers.cloudflare.com/browser-run/)

Copy as Markdown| [View as Markdown](https://developers.cloudflare.com/changelog/post/2026-07-28-human-in-the-loop/index.md)| [Agent setup](https://developers.cloudflare.com/agent-setup/)

[Browser Run](https://developers.cloudflare.com/browser-run/) now supports structured handoff for [Human in the Loop](https://developers.cloudflare.com/browser-run/features/human-in-the-loop/) workflows. Using Cloudflare-specific [CDP commands](https://developers.cloudflare.com/browser-run/features/human-in-the-loop/#cloudflare-cdp-commands), your agent can signal that it needs help, a human steps in through [Live View](https://developers.cloudflare.com/browser-run/features/live-view/) to handle the task, and the agent resumes once the work is done.

For agents running multi-step browser workflows, a single login wall or unexpected prompt can fail the entire run. Previously, scripts had to manage human intervention manually by sharing a Live View URL and polling for completion. Structured handoff replaces this with a formal pause-and-resume flow.

The following example requests human intervention for a login page and waits for the human to finish before continuing:

```js
const cdp = await page.createCDPSession();

// Get Live View URL for the human operator
const { devtoolsFrontendUrl } = await cdp.send("Cloudflare.getLiveView", {
	mode: "tab",
});
console.log(`Human input needed: ${devtoolsFrontendUrl}`);

// Request human intervention and wait for completion
const handoffComplete = new Promise((resolve) => {
	cdp.once("Cloudflare.handoffComplete", resolve);
});

await cdp.send("Cloudflare.handoff", {
	instructions: "Please log in with your credentials",
	timeout: 600000,
});

const result = await handoffComplete;
console.log(result.success ? "Handoff complete" : `Failed: ${result.reason}`);
```

Refer to the [Human in the Loop documentation](https://developers.cloudflare.com/browser-run/features/human-in-the-loop/) for the full API reference, examples, and best practices.

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