# GeoMapLayerChangeEventDetail

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

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

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## Type declaration

```typescript
export interface GeoMapLayerChangeEventDetail {
  layers:GeoMapLayerVisibility; changed:GeoMapLayer[]; by:'legend'|'method'|'prop';
}
```

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## Related types

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