---
title: "MTLineLayer.sortKey | Mobile sdk | Mobile sdk android | Android"
description: "sortKey"
---

# MTLineLayer.sortKey

var [sortKey](https://docs.maptiler.com/mobile-sdk/android/api/-map-tiler-s-d-k/com.maptiler.maptilersdk.map.style.layer.line/-m-t-line-layer/sort-key/): [Double](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-double/index.html)?

Feature ordering value.