> Documentation index: https://www.gooddata.ai/docs/gooddata-ui/llms.txt lists every page of these docs as Markdown.

# geoFeatureId()

- Package: [@gooddata/sdk-model](https://www.gooddata.ai/docs/gooddata-ui/latest/api-reference/sdk-model/index.md)
- Kind: function
- Stability: alpha
- Source: https://github.com/gooddata/gooddata-ui-sdk/blob/rel/11.64/libs/sdk-model/src/execution/results/index.ts

> **Alpha API.** Initial API, highly likely to change outside SemVer. Don't build on it in production. See [API maturity](https://www.gooddata.ai/docs/gooddata-ui/latest/integrations/platform/api-maturity/index.md).
> 

Returns id of the geo feature.

**Signature:**

```typescript
export declare function geoFeatureId(feature: IGeoJsonFeature): string | undefined;
```

## Parameters

| Parameter | Type | Description |
| --- | --- | --- |
| feature | [IGeoJsonFeature](https://www.gooddata.ai/docs/gooddata-ui/latest/api-reference/sdk-model/sdk-model.igeojsonfeature/index.md) | geo feature, must be specified |

**Returns:**

string | undefined