# GridActiveCellChangedDetail

Fields, allowed values, and APIs that use GridActiveCellChangedDetail.

Canonical: https://grid.syidax.com/docs/types/GridActiveCellChangedDetail/

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## Type definition

A question mark (?) marks an optional field; readonly marks a value you should not change directly. A union (|) accepts one of the listed forms. Functions are callbacks that Grid invokes at the relevant point.

```typescript
export interface GridActiveCellChangedDetail {
  active: ActiveCell | null;
  previous: ActiveCell | null;
}
```

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## APIs using this type

- [activeCellChanged](https://grid.syidax.com/docs/events/activeCellChanged.md) — Emitted when keyboard or pointer input changes the active cell. Separate from range or row selection.

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## Related types

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