# VisualMapSelectionChangeEventDetail

The VisualMapSelectionChangeEventDetail type declaration and related types. Optional fields are marked with ?.

Canonical: https://chart.syidax.com/docs/types/VisualMapSelectionChangeEventDetail/

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## Type declaration

```typescript
export interface VisualMapSelectionChangeEventDetail {
  selected: boolean[];
  index: number | null;
  source: VisualMapRangeChangeSource;
}
```

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## Related types

- [VisualMapRangeChangeSource](https://chart.syidax.com/docs/types/VisualMapRangeChangeSource.md)