---
title: materialX139
framework: realitykit
role: symbol
role_heading: Type Property
platforms: [iOS 27.0+, iPadOS 27.0+, tvOS 27.0+, visionOS 27.0+]
path: realitykit/shadergraph/nodelibrary/version-swift.struct/materialx139
---

# materialX139

## Declaration

```swift
static let materialX139: ShaderGraph.NodeLibrary.Version
```