---
title: kSecTransformErrorUnsupportedAttribute
framework: security
role: symbol
role_heading: Global Variable
path: security/ksectransformerrorunsupportedattribute
---

# kSecTransformErrorUnsupportedAttribute

An illegal action such as setting a read-only attribute has occurred.

## Declaration

```swift
var kSecTransformErrorUnsupportedAttribute: CFIndex { get }
```