# GeoMapFeatureSelectionChangeEventDetail

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

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

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## Type declaration

```typescript
export interface GeoMapFeatureSelectionChangeEventDetail extends GeoMapFeatureSelection { by: GeoMapSelectionSource }
```

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## Related types

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