---
title: kSecCFErrorPattern
framework: security
role: symbol
role_heading: Global Variable
path: security/kseccferrorpattern
---

# kSecCFErrorPattern

A key whose value is a string containing a regular expression that’s part of a resource specification that did not parse correctly.

## Declaration

```swift
let kSecCFErrorPattern: CFString
```

## Discussion

Discussion A resource specification is an information property list (Info.plist file) that says which files are resources and which are not. This error is returned if any part of the resource specification can’t be parsed.