## Execute a SPARQL query

`query.sparql(**kwargs) -> SparqlResult`

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

Execute a SPARQL query

### Parameters

- `query: String`

  SPARQL query string

### Returns

- `class SparqlResult`

  GeoJSON FeatureCollection of SPARQL query results

  - `features: Array[GeoJsonFeature]`

    GeoJSON features from SPARQL query

    - `geometry: GeoJsonGeometry`

      - `coordinates: Array[Float] | Array[Array[Float]] | Array[Array[Array[Float]]] | Array[Array[Array[Array[Float]]]]`

        GeoJSON coordinates array (nesting depth varies by geometry type)

        - `Array[Float]`

        - `Array[Array[Float]]`

        - `Array[Array[Array[Float]]]`

        - `Array[Array[Array[Array[Float]]]]`

      - `type: :Point | :LineString | :Polygon | 3 more`

        - `:Point`

        - `:LineString`

        - `:Polygon`

        - `:MultiPoint`

        - `:MultiLineString`

        - `:MultiPolygon`

    - `properties: Hash[Symbol, untyped]`

    - `type: :Feature`

      - `:Feature`

    - `id: String`

      Feature identifier (type/osm_id)

    - `osm_id: Integer`

      OpenStreetMap ID

  - `type: :FeatureCollection`

    - `:FeatureCollection`

### Example

```ruby
require "plaza"

plaza = Plaza::Client.new(
  api_key: "My API Key",
  environment: "local" # defaults to "production"
)

sparql_result = plaza.query.sparql(query: "query")

puts(sparql_result)
```