---
id: fast-foundation.flyoutpostallest
title: FlyoutPosTallest variable
hide_title: true
---
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[@microsoft/fast-foundation](./fast-foundation.md) &gt; [FlyoutPosTallest](./fast-foundation.flyoutpostallest.md)

## FlyoutPosTallest variable

A region that places itself above or below the anchor based on available space, has a width to match the anchor, and is sized vertically by content

<b>Signature:</b>

```typescript
FlyoutPosTallest: AnchoredRegionConfig
```