# selectFeatureAt

An asynchronous method. Check the argument and return types below.

Canonical: https://chart.syidax.com/docs/methods/selectFeatureAt/

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## Definition

```typescript
selectFeatureAt(index: number): Promise<GeoMapFeatureHitDetail | null>
```

| Arguments | Type | Required |
| --- | --- | --- |
| `index` | `number` | Required |

Return type: `Promise<GeoMapFeatureHitDetail | null>`. Call the method after element registration and await its Promise result.

- [GeoMapFeatureHitDetail](https://chart.syidax.com/docs/types/GeoMapFeatureHitDetail.md) — Type definition

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## Related charts

- [sy-geo-map](https://chart.syidax.com/docs/components/geo-map.md#method-selectFeatureAt)