<!--
{
  "availability" : [
    "macCatalyst: 16.0.0 -",
    "macOS: 10.7.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "Security",
  "identifier" : "/documentation/Security/kSecMatchBits",
  "metadataVersion" : "0.1.0",
  "role" : "Global Variable",
  "symbol" : {
    "kind" : "Global Variable",
    "modules" : [
      "Security"
    ],
    "preciseIdentifier" : "c:@Ea@kSecUseOnlyUID@kSecMatchBits"
  },
  "title" : "kSecMatchBits"
}
-->

# kSecMatchBits

The access control list should be owned by users whose ID matches the specified user ID or who are members of a group whose ID matches the specified group ID parameter.

```
var kSecMatchBits: Int { get }
```

---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)