---
id: fast-foundation.datagridrow.columndefinitions
title: DataGridRow.columnDefinitions property
hide_title: true
---
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[@microsoft/fast-foundation](./fast-foundation.md) &gt; [DataGridRow](./fast-foundation.datagridrow.md) &gt; [columnDefinitions](./fast-foundation.datagridrow.columndefinitions.md)

## DataGridRow.columnDefinitions property

The column definitions of the row

<b>Signature:</b>

```typescript
columnDefinitions: ColumnDefinition[] | null;
```