---
title: kSecCFErrorResourceSideband
framework: security
role: symbol
role_heading: Global Variable
path: security/kseccferrorresourcesideband
---

# kSecCFErrorResourceSideband

A key whose value is a URL representing a sealed resource with invalid sideband data (resource fork, etc.).

## Declaration

```swift
let kSecCFErrorResourceSideband: CFString
```