---
id: fast-foundation.anchoredregionconfig.horizontalthreshold
title: AnchoredRegionConfig.horizontalThreshold property
hide_title: true
---
<!-- Do not edit this file. It is automatically generated by API Documenter. -->

[@microsoft/fast-foundation](./fast-foundation.md) &gt; [AnchoredRegionConfig](./fast-foundation.anchoredregionconfig.md) &gt; [horizontalThreshold](./fast-foundation.anchoredregionconfig.horizontalthreshold.md)

## AnchoredRegionConfig.horizontalThreshold property

How short the space allocated to the default position has to be before the widest area is selected for layout

<b>Signature:</b>

```typescript
readonly horizontalThreshold?: number;
```