---
id: fast-foundation.columndefinition.isrowheader
title: ColumnDefinition.isRowHeader property
hide_title: true
---
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[@microsoft/fast-foundation](./fast-foundation.md) &gt; [ColumnDefinition](./fast-foundation.columndefinition.md) &gt; [isRowHeader](./fast-foundation.columndefinition.isrowheader.md)

## ColumnDefinition.isRowHeader property

Whether this column is the row header

<b>Signature:</b>

```typescript
isRowHeader?: boolean;
```