## Query features by bounding box or H3 cell

`FeatureCollection Elements.Query(ElementQueryParams?parameters, CancellationTokencancellationToken = default)`

**get** `/api/v1/features`

Query features by bounding box or H3 cell

### Parameters

- `ElementQueryParams parameters`

  - `string bbox`

    Bounding box: south,west,north,east. At least one of bbox or h3 is required.

  - `string cursor`

    Cursor for pagination

  - `string h3`

    H3 cell index. At least one of bbox or h3 is required.

  - `Long limit`

    Maximum results (default 100, max 10000)

  - `string type`

    Element types (comma-separated: node,way,relation)

### Returns

- `class FeatureCollection:`

  Bare GeoJSON FeatureCollection. Pagination metadata is returned in HTTP headers (X-Limit, X-Has-More, X-Next-Cursor, X-Next-Offset, Link).

  - `required IReadOnlyList<GeoJsonFeature> Features`

    - `required GeoJsonGeometry Geometry`

      - `required Coordinates Coordinates`

        GeoJSON coordinates array (nesting depth varies by geometry type)

        - `IReadOnlyList<Double>`

        - `IReadOnlyList<IReadOnlyList<Double>>`

        - `IReadOnlyList<IReadOnlyList<IReadOnlyList<Double>>>`

        - `IReadOnlyList<IReadOnlyList<IReadOnlyList<IReadOnlyList<Double>>>>`

      - `required Type Type`

        - `"Point"Point`

        - `"LineString"LineString`

        - `"Polygon"Polygon`

        - `"MultiPoint"MultiPoint`

        - `"MultiLineString"MultiLineString`

        - `"MultiPolygon"MultiPolygon`

    - `required IReadOnlyDictionary<string, JsonElement> Properties`

    - `required Type Type`

      - `"Feature"Feature`

    - `string ID`

      Feature identifier (type/osm_id)

    - `Long OsmID`

      OpenStreetMap ID

  - `required Type Type`

    - `"FeatureCollection"FeatureCollection`

### Example

```csharp
ElementQueryParams parameters = new();

var featureCollection = await client.Elements.Query(parameters);

Console.WriteLine(featureCollection);
```