---
title: libraries
framework: Compute Graph
role: symbol
role_heading: Instance Property
platforms: [iOS 27.0+, iPadOS 27.0+, Mac Catalyst 27.0+, macOS 27.0+, tvOS 27.0+, visionOS 27.0+]
path: computegraph/computenodegraph/pipelinesdescriptor/libraries
---

# libraries

The Metal libraries that provide shader function implementations for the graph’s nodes.

## Declaration

```swift
var libraries: [ComputeNodeGraph.LibraryReference]
```