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

> 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.

# isCustom

fun [isCustom](https://docs-qmgv.pages.dev/mobile-sdk/android/api/-map-tiler-s-d-k/com.maptiler.maptilersdk.map.style/-m-t-map-reference-style/is-custom/)(): [Boolean](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-boolean/index.html)