---
title: kSecReturnPersistentRef
framework: security
role: symbol
role_heading: Global Variable
path: security/ksecreturnpersistentref
---

# kSecReturnPersistentRef

A key whose value is a Boolean indicating whether or not to return a persistent reference to an item.

## Declaration

```swift
let kSecReturnPersistentRef: CFString
```

## Discussion

Discussion The corresponding value is of type CFBoolean. A value of kCFBooleanTrue indicates that a persistent reference to an item should be returned as a CFData object. Unlike normal references, a persistent reference may be stored on disk or passed between processes.