---
id: fast-foundation.anchoredregion.viewport
title: AnchoredRegion.viewport property
hide_title: true
---
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[@microsoft/fast-foundation](./fast-foundation.md) &gt; [AnchoredRegion](./fast-foundation.anchoredregion.md) &gt; [viewport](./fast-foundation.anchoredregion.viewport.md)

## AnchoredRegion.viewport property

The HTML ID of the viewport element this region is positioned relative to

<b>Signature:</b>

```typescript
viewport: string;
```

## Remarks

HTML Attribute: anchor
