---
title: maskData
framework: Immersive Media Support
role: symbol
role_heading: Instance Property
platforms: [iOS 26.4+, iPadOS 26.4+, Mac Catalyst 26.4+, macOS 26.0+, visionOS 26.0+]
path: immersivemediasupport/immersiveimagemask/maskdata
---

# maskData

## Declaration

```swift
final let maskData: Data?
```