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

# Metal structures

## Topics

### Structures

- [MTLTensorError](metal/mtltensorerror-swift.struct.md)
- [MTLBinaryArchiveError](metal/mtlbinaryarchiveerror-swift.struct.md)
- [MTLCommandBufferError](metal/mtlcommandbuffererror-swift.struct.md)
- [MTLComponentTransform](metal/mtlcomponenttransform.md)
- [MTLCounterSampleBufferError](metal/mtlcountersamplebuffererror-swift.struct.md)
- [MTLDynamicLibraryError](metal/mtldynamiclibraryerror-swift.struct.md)
- [MTLIOError](metal/mtlioerror-swift.struct.md)
- [MTLPackedFloatQuaternion](metal/mtlpackedfloatquaternion.md)
- [MTLStitchedLibraryOptions](metal/mtlstitchedlibraryoptions.md)
- [NSDeviceCertification](metal/nsdevicecertification.md)
- [NSProcessPerformanceProfile](metal/nsprocessperformanceprofile.md)

## See Also

### Reference

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