---
title: unsupported
framework: metal
role: symbol
role_heading: Type Property
path: metal/mtllibraryerror-swift.struct/unsupported
---

# unsupported

Metal couldn’t support the requested action.

## Declaration

```swift
static var unsupported: MTLLibraryError.Code { get }
```

## Discussion

Discussion For example, the requested library file has improper formatting, or the requested library isn’t accessible.

## See Also

### Errors

- [internal](metal/mtllibraryerror-swift.struct/internal.md)
- [compileFailure](metal/mtllibraryerror-swift.struct/compilefailure.md)
- [compileWarning](metal/mtllibraryerror-swift.struct/compilewarning.md)
- [fileNotFound](metal/mtllibraryerror-swift.struct/filenotfound.md)
- [functionNotFound](metal/mtllibraryerror-swift.struct/functionnotfound.md)