---
title: "MTPolygonLayerOptions.outlineOpacity | Mobile sdk | Mobile sdk android | Android"
description: "outlineOpacity"
---

> 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.

# MTPolygonLayerOptions.outlineOpacity

val [outlineOpacity](https://docs-qmgv.pages.dev/mobile-sdk/android/api/-map-tiler-s-d-k/com.maptiler.maptilersdk.helpers/-m-t-polygon-layer-options/outline-opacity/): [MTNumberOrZoomNumberValues](https://docs-qmgv.pages.dev/mobile-sdk/android/api/-map-tiler-s-d-k/com.maptiler.maptilersdk.helpers/-m-t-number-or-zoom-number-values/)? = null