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# BoundsChangedCallback

- Package: [@gooddata/sdk-ui-geo](https://www.gooddata.ai/docs/gooddata-ui/latest/api-reference/sdk-ui-geo/index.md)
- Kind: type-alias
- Source: https://github.com/gooddata/gooddata-ui-sdk/blob/rel/11.64/libs/sdk-ui-geo/src/publicTypes/geoCommon.ts

Callback fired when the map visible bounds change.

**Signature:**

```typescript
export type BoundsChangedCallback = (bounds: IGeoLngLatBounds) => void;
```
**References:** [IGeoLngLatBounds](https://www.gooddata.ai/docs/gooddata-ui/latest/api-reference/sdk-ui-geo/sdk-ui-geo.igeolnglatbounds/index.md)