---
id: fast-foundation.delegatesariatoolbar.arialabelledby
title: DelegatesARIAToolbar.ariaLabelledby property
hide_title: true
---
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[@microsoft/fast-foundation](./fast-foundation.md) &gt; [DelegatesARIAToolbar](./fast-foundation.delegatesariatoolbar.md) &gt; [ariaLabelledby](./fast-foundation.delegatesariatoolbar.arialabelledby.md)

## DelegatesARIAToolbar.ariaLabelledby property

The id of the element labeling the toolbar.

<b>Signature:</b>

```typescript
ariaLabelledby: string | null;
```

## Remarks

HTML Attribute: aria-labelledby
