## Execute a SPARQL query

`SparqlResult Query.Sparql(QuerySparqlParamsparameters, CancellationTokencancellationToken = default)`

**post** `/api/v1/sparql`

Execute a SPARQL query

### Parameters

- `QuerySparqlParams parameters`

  - `required string query`

    SPARQL query string

### Returns

- `class SparqlResult:`

  GeoJSON FeatureCollection of SPARQL query results

  - `required IReadOnlyList<GeoJsonFeature> Features`

    GeoJSON features from SPARQL query

    - `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
QuerySparqlParams parameters = new() { Query = "query" };

var sparqlResult = await client.Query.Sparql(parameters);

Console.WriteLine(sparqlResult);
```