---
id: fast-components.providefastdesignsystem
title: provideFASTDesignSystem() function
hide_title: true
---
<!-- Do not edit this file. It is automatically generated by API Documenter. -->

[@microsoft/fast-components](./fast-components.md) &gt; [provideFASTDesignSystem](./fast-components.providefastdesignsystem.md)

## provideFASTDesignSystem() function

Provides a design system for the specified element either by returning one that was already created for that element or creating one.

<b>Signature:</b>

```typescript
export declare function provideFASTDesignSystem(element?: HTMLElement): DesignSystem;
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  element | HTMLElement | The element to root the design system at. By default, this is the body. |

<b>Returns:</b>

[DesignSystem](./fast-foundation.designsystem.md)

A FAST Design System
