---
title: MetalKit Functions
framework: MetalKit
role: collectionGroup
role_heading: API Collection
path: metalkit/metalkit-functions
---

# MetalKit Functions

The MetalKit framework defines helper functions that are used to efficiently interface with the Metal and Model I/O frameworks.

## Topics

### Functions

- [MTKMetalVertexDescriptorFromModelIOWithError(_:)](metalkit/mtkmetalvertexdescriptorfrommodeliowitherror(_:).md)
- [MTKModelIOVertexDescriptorFromMetalWithError(_:)](metalkit/mtkmodeliovertexdescriptorfrommetalwitherror(_:).md)