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

# MTHeatmapLayer.opacity

var [opacity](https://docs.maptiler.com/mobile-sdk/android/api/-map-tiler-s-d-k/com.maptiler.maptilersdk.map.style.layer.heatmap/-m-t-heatmap-layer/opacity/): [StyleValue](https://docs.maptiler.com/mobile-sdk/android/api/-map-tiler-s-d-k/com.maptiler.maptilersdk.map.style.dsl/-style-value/)?

The global opacity at which the heatmap layer will be drawn.