# HorizontalRule [![Version](https://img.shields.io/npm/v/@tiptap/extension-horizontal-rule.svg?label=version)](https://www.npmjs.com/package/@tiptap/extension-horizontal-rule) [![Downloads](https://img.shields.io/npm/dm/@tiptap/extension-horizontal-rule.svg)](https://npmcharts.com/compare/@tiptap/extension-horizontal-rule?minimal=true) Use this extension to render a `
---
) or three underscores and a space (___
) at the beginning of a new line and it will magically transform to a horizontal rule.
## Installation
```bash
# with npm
npm install @tiptap/extension-horizontal-rule
# with Yarn
yarn add @tiptap/extension-horizontal-rule
```
## Settings
### HTMLAttributes
Custom HTML attributes that should be added to the rendered HTML tag.
```js
HorizontalRule.configure({
HTMLAttributes: {
class: 'my-custom-class',
},
})
```
## Commands
### setHorizontalRule()
Create a horizontal rule.
```js
editor.commands.setHorizontalRule()
```
## Source code
[packages/extension-horizontal-rule/](https://github.com/ueberdosis/tiptap/blob/main/packages/extension-horizontal-rule/)
## Usage