---
title: "MTStyle.isSourceLoaded | Mobile sdk | Mobile sdk android | Android"
description: "isSourceLoaded"
---

# MTStyle.isSourceLoaded

suspend fun [isSourceLoaded](https://docs.maptiler.com/mobile-sdk/android/api/-map-tiler-s-d-k/com.maptiler.maptilersdk.map.style/-m-t-style/is-source-loaded/)(sourceId: [String](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-string/index.html)): [Boolean](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-boolean/index.html)

Returns boolean value indicating whether the source with provided id is loaded.

#### Parameters

sourceId

The id of the source.