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

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

# MTHeatmapLayer.identifier

@SerialName(value = "id")

open override var [identifier](https://docs-qmgv.pages.dev/mobile-sdk/android/api/-map-tiler-s-d-k/com.maptiler.maptilersdk.map.style.layer.heatmap/-m-t-heatmap-layer/identifier/): [String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)

Unique layer identifier.