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

## ColumnDefinition.gridColumn property

Sets the css grid-column property on the cell which controls its placement in the parent row. If left unset the cells will set this value to match the index of their column in the parent collection of ColumnDefinitions.

<b>Signature:</b>

```typescript
gridColumn?: string;
```