---
id: fast-components.fastradio
title: fastRadio variable
hide_title: true
---
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[@microsoft/fast-components](./fast-components.md) &gt; [fastRadio](./fast-components.fastradio.md)

## fastRadio variable

A function that returns a [Radio](./fast-foundation.radio.md) registration for configuring the component with a DesignSystem. Implements [radioTemplate](./fast-foundation.radiotemplate.md)

<b>Signature:</b>

```typescript
fastRadio: (overrideDefinition?: import("@microsoft/fast-foundation").OverrideFoundationElementDefinition<RadioOptions> | undefined) => import("@microsoft/fast-foundation").FoundationElementRegistry<RadioOptions, import("@microsoft/fast-element").Constructable<import("@microsoft/fast-foundation").FoundationElement>>
```

## Remarks

Generates HTML Element: `<fast-radio>`
