# GridWorkbookBindingChangedDetail

Fields, allowed values, and APIs that use GridWorkbookBindingChangedDetail.

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

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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 GridWorkbookBindingChangedDetail {
  readonly kind: GridWorkbookBindingChangeKind;
  readonly reason: GridWorkbookBindingReason;
  readonly binding: GridWorkbookBinding | null;
  readonly previousBinding: GridWorkbookBinding | null;
}
```

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## APIs using this type

- [workbookBindingChanged](https://grid.syidax.com/docs/events/workbookBindingChanged.md) — Emitted when the Grid's workbook/sheet connection changes.

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## Contracts containing this type

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

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## Related types

- [GridWorkbookBindingChangeKind](https://grid.syidax.com/docs/types/GridWorkbookBindingChangeKind.md)
- [GridWorkbookBindingReason](https://grid.syidax.com/docs/types/GridWorkbookBindingReason.md)
- [GridWorkbookBinding](https://grid.syidax.com/docs/types/GridWorkbookBinding.md)