---
title: "MTGeoJSONSource.identifier | Mobile sdk | Mobile sdk android | Android"
description: "identifier"
---

# MTGeoJSONSource.identifier

open override var [identifier](https://docs.maptiler.com/mobile-sdk/android/api/-map-tiler-s-d-k/com.maptiler.maptilersdk.map.style.source/-m-t-geo-j-s-o-n-source/identifier/): [String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)

Unique identifier of a source.