---
id: fast-foundation.matchmediabehavior.query
title: MatchMediaBehavior.query property
hide_title: true
---
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[@microsoft/fast-foundation](./fast-foundation.md) &gt; [MatchMediaBehavior](./fast-foundation.matchmediabehavior.md) &gt; [query](./fast-foundation.matchmediabehavior.query.md)

## MatchMediaBehavior.query property

The media query that the behavior operates on.

<b>Signature:</b>

```typescript
readonly query: MediaQueryList;
```