---
title: Metal constants
framework: Metal
role: collectionGroup
role_heading: API Collection
path: metal/metal-constants
---

# Metal constants

## Topics

### Error domains

- [MTLLogStateErrorDomain](metal/mtllogstateerrordomain.md)

## See Also

### Reference

- [Metal structures](metal/metal-structures.md)
- [Metal enumerations](metal/metal-enumerations.md)
- [Metal data types](metal/metal-data-types.md)
- [Metal variables](metal/metal-variables.md)