---
title: kSecTransformErrorDomain
framework: security
role: symbol
role_heading: Global Variable
path: security/ksectransformerrordomain
---

# kSecTransformErrorDomain

The domain of any error object created by a transform on failure.

## Declaration

```swift
let kSecTransformErrorDomain: CFString
```

## Discussion

Discussion Use this CFError object to determine what went wrong.