---
title: "resourceId | Mobile sdk | Mobile sdk android | Android"
description: "resourceId"
---

> 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.

# resourceId

val [resourceId](https://docs.maptiler.com/mobile-sdk/android/api/-map-tiler-s-d-k/com.maptiler.maptilersdk.offline/-m-t-offline-context/resource-id/): [String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)? = null

An optional identifier for the resource (e.g., Tile ID, Source ID).