---
id: fast-foundation.delegatesarialistboxoption
title: DelegatesARIAListboxOption class
hide_title: true
---
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[@microsoft/fast-foundation](./fast-foundation.md) &gt; [DelegatesARIAListboxOption](./fast-foundation.delegatesarialistboxoption.md)

## DelegatesARIAListboxOption class

States and properties relating to the ARIA `option` role.

<b>Signature:</b>

```typescript
export declare class DelegatesARIAListboxOption 
```

## Properties

|  Property | Modifiers | Type | Description |
|  --- | --- | --- | --- |
|  [ariaChecked](./fast-foundation.delegatesarialistboxoption.ariachecked.md) |  | "true" \| "false" \| string \| null | See [https://www.w3.org/TR/wai-aria-1.2/\#option](https://www.w3.org/TR/wai-aria-1.2/#option) for more information. |
|  [ariaPosInSet](./fast-foundation.delegatesarialistboxoption.ariaposinset.md) |  | string \| null | See [https://www.w3.org/TR/wai-aria-1.2/\#option](https://www.w3.org/TR/wai-aria-1.2/#option) for more information. |
|  [ariaSelected](./fast-foundation.delegatesarialistboxoption.ariaselected.md) |  | "true" \| "false" \| string \| null | See [https://www.w3.org/TR/wai-aria-1.2/\#option](https://www.w3.org/TR/wai-aria-1.2/#option) for more information. |
|  [ariaSetSize](./fast-foundation.delegatesarialistboxoption.ariasetsize.md) |  | string \| null | See [https://www.w3.org/TR/wai-aria-1.2/\#option](https://www.w3.org/TR/wai-aria-1.2/#option) for more information. |
