> For the complete documentation index, see [llms.txt](https://docs.mapbox.com/help/ja/llms.txt)

# feature querying

Feature querying is the process by which [features](https://docs.mapbox.com/help/ja/glossary/features/) in a tileset are identified at a specific location. For example, if you have a map with a [layer](https://docs.mapbox.com/help/ja/glossary/layer/) representing city parks, you can use Mapbox tools to see if a park feature exists at a specific [coordinate](https://docs.mapbox.com/help/ja/glossary/lat-lon/).

Feature querying powers many advanced map visualizations that allow users to select specific points to discover the data lying underneath. Feature querying can be performed on web maps using [Mapbox GL JS](https://docs.mapbox.com/mapbox-gl-js/), the [Mapbox Maps SDK for iOS](https://docs.mapbox.com/ios/maps/), or the [Mapbox Maps SDK for Android](https://docs.mapbox.com/android/maps/).

**Related resources:**

-   [Mapbox GL JS `queryRenderedFeatures` documentation](https://docs.mapbox.com/mapbox-gl-js/api/#map#queryrenderedfeatures)
-   [Mapbox Maps SDK for Android `queryRenderedFeatures` documentation](https://docs.mapbox.com/android/maps/api/latest/mapbox-maps-android/com.mapbox.maps.plugin.delegates/-map-feature-query-delegate/query-rendered-features.html)
-   [Mapbox Maps SDK for iOS `queryRenderedFeatures` documentation](https://docs.mapbox.com/ios/maps/api/latest/documentation/mapboxmaps/mapboxmap/mapfeaturequeryable-implementations/)