# SyGridBatchEditStartEventDetail

Fields, allowed values, and APIs that use SyGridBatchEditStartEventDetail.

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

<a id="definition"></a>

## 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 SyGridBatchEditStartEventDetail {
  mutationId: GridMutationId;
  sessionId: number;
  stagedCount: number;
}
```

<a id="used-by"></a>

## APIs using this type

- [batchEditStart](https://grid.syidax.com/docs/events/batchEditStart.md) — Emitted when batch editing starts. Open a staged-changes UI if needed.

<a id="parents"></a>

## Contracts containing this type

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

<a id="related"></a>

## Related types

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