---
id: fast-foundation.dialog.ariadescribedby
title: Dialog.ariaDescribedby property
hide_title: true
---
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[@microsoft/fast-foundation](./fast-foundation.md) &gt; [Dialog](./fast-foundation.dialog.md) &gt; [ariaDescribedby](./fast-foundation.dialog.ariadescribedby.md)

## Dialog.ariaDescribedby property

The id of the element describing the dialog.

<b>Signature:</b>

```typescript
ariaDescribedby: string;
```

## Remarks

HTML Attribute: aria-describedby
