---
title: SecItemAttr.signatureItemAttr
framework: security
role: symbol
role_heading: Case
path: security/secitemattr/signatureitemattr
---

# SecItemAttr.signatureItemAttr

Identifies the server signature attribute.

## Declaration

```swift
case signatureItemAttr
```

## Discussion

Discussion You use this tag to set or get a value of type SecAFPServerSignature that represents the server signature block. This is unique to AppleShare password attributes.