---
id: fast-foundation.accordion.expandmode
title: Accordion.expandmode property
hide_title: true
---
<!-- Do not edit this file. It is automatically generated by API Documenter. -->

[@microsoft/fast-foundation](./fast-foundation.md) &gt; [Accordion](./fast-foundation.accordion.md) &gt; [expandmode](./fast-foundation.accordion.expandmode.md)

## Accordion.expandmode property

Controls the expand mode of the Accordion, either allowing single or multiple item expansion.

<b>Signature:</b>

```typescript
expandmode: AccordionExpandMode;
```

## Remarks

HTML attribute: expand-mode
