---
title: AuthorizationString
framework: security
role: symbol
role_heading: Type Alias
path: security/authorizationstring
---

# AuthorizationString

A zero-terminated string in UTF-8 encoding.

## Declaration

```swift
typealias AuthorizationString = UnsafePointer<CChar>
```

## Discussion

Discussion Use this in a call to the AuthorizationCopyInfo(_:_:_:) function for the tag parameter.