---
title: errSecCSUnsupportedGuestAttributes
framework: security
role: symbol
role_heading: Global Variable
path: security/errseccsunsupportedguestattributes
---

# errSecCSUnsupportedGuestAttributes

Cannot locate guest code using this attribute set.

## Declaration

```swift
var errSecCSUnsupportedGuestAttributes: OSStatus { get }
```

## Discussion

Discussion When calling the SecHostCreateGuest function or the SecCodeCopyGuestWithAttributes(_:_:_:_:) function, you passed a key that either isn’t understood, recognized, or supported.