---
title: "Code Highlight Sweep"
description: "A highlight band sweeps across a target line while the surrounding context dims — draws the eye to one line. `line` is 0-based: `line: 1` targets the second displayed line (unlike code-scroll, whose target is 1-based)."
---

# Code Highlight Sweep

A highlight band sweeps across a target line while the surrounding context dims — draws the eye to one line. `line` is 0-based: `line: 1` targets the second displayed line (unlike code-scroll, whose target is 1-based).

`code` `code-animation` `highlight` `developer`

<video className="w-full aspect-video rounded-xl object-cover bg-zinc-100 dark:bg-zinc-800" src="https://static.heygen.ai/hyperframes-oss/docs/images/catalog/blocks/code-highlight.mp4" poster="https://static.heygen.ai/hyperframes-oss/docs/images/catalog/blocks/code-highlight.png" autoPlay muted loop playsInline />

## Install

<CodeGroup>

```bash Terminal
npx hyperframes add code-highlight
```

</CodeGroup>

## Details

| Property | Value |
| --- | --- |
| Type | Block |
| Dimensions | 1920×1080 |
| Duration | 5s |

## Files

| File | Target | Type |
| --- | --- | --- |
| `code-highlight.html` | `compositions/code-highlight.html` | hyperframes:composition |

## Usage

After installing, add the block to your host composition:

```html
<div data-composition-id="code-highlight" data-composition-src="compositions/code-highlight.html" data-start="0" data-duration="5" data-track-index="1" data-width="1920" data-height="1080"></div>
```