---
title: "init(version:item:keychain:pid:)"
framework: security
role: symbol
role_heading: Initializer
path: "security/seckeychaincallbackinfo/init(version:item:keychain:pid:)"
---

# init(version:item:keychain:pid:)

Creates a new keychain callback information structure.

## Declaration

```swift
init(version: UInt32, item: Unmanaged<SecKeychainItem>, keychain: Unmanaged<SecKeychain>, pid: pid_t)
```