remirror/remirror

---
hide_title: true
title: 'SubExtension'
---

import Basic from '../../website/extension-examples/extension-sub/basic';

# `SubExtension`

## Summary

Add a `sub` mark to the editor. This is used to mark inline text as a subscript snippet.

## Usage

### Installation

This extension is installed for you when you install the main `remirror` package.

You can use the imports in the following way:

```ts
import { SubExtension } from 'remirror/extensions';
```

The extension is provided by the `@remirror/extension-sub` package.

### Examples

<Basic />

## API

- [SubExtension](../api/extension-sub)