---
title: "gpxOrKml | JavaScript maps SDK"
description: "Documentation for MapTiler SDK"
---

> For AI agents: a documentation index is available at [/llms.txt](https://docs.maptiler.com/llms.txt). Markdown versions of all pages are available by appending .md to any URL.

# Function gpxOrKml

-   gpxOrKml(  
        doc: string | [Document](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.Document/),  
    ): [FeatureCollection](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.FeatureCollection/)<[Geometry](https://docs.maptiler.com/sdk-js/api-reference/types/Externals.Geometry/), [GeoJsonProperties](https://docs.maptiler.com/sdk-js/api-reference/types/Externals.GeoJsonProperties/)\> | null[](#gpxorkml)
    
    #### Parameters
    
    -   doc: string | [Document](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.Document/)
    
    #### Returns [FeatureCollection](https://docs.maptiler.com/sdk-js/api-reference/interfaces/Externals.FeatureCollection/)<[Geometry](https://docs.maptiler.com/sdk-js/api-reference/types/Externals.Geometry/), [GeoJsonProperties](https://docs.maptiler.com/sdk-js/api-reference/types/Externals.GeoJsonProperties/)\> | null