# fullWidthRowHeight

Fixed height or per-row height function for full-width rows.

Canonical: https://grid.syidax.com/docs/options/fullWidthRowHeight/

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## What does this API do?

Fixed height or per-row height function for full-width rows.

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## Exact input and result types

```typescript
fullWidthRowHeight: number | ((row: GridRow, rowIndex: number) => number)
```

| Item | Value |
| --- | --- |
| JavaScript name | fullWidthRowHeight |
| HTML attribute | full-width-row-height |
| Default | undefined |
| Input type | number \| ((row: GridRow, rowIndex: number) => number) |

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## Usage flow

Set this on a property of the Grid element. Pass arrays, objects, and callbacks through JavaScript, and use new arrays or objects when applying changes.

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## Read related types

- [GridRow](https://grid.syidax.com/docs/types/GridRow.md)

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## Feature explanations and examples

- [Row height and pinned rows](https://grid.syidax.com/docs/features/row-layout.md) — Row height, top/bottom pinned rows, full-width rows, and merged cells are separate layout features. Choose based on whether you need persistent summaries or wide detail content.