<!--
{
  "availability" : [
    "macCatalyst: 13.0.0 -",
    "macOS: 10.0.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "Security",
  "identifier" : "/documentation/Security/errSecCSObjectRequired",
  "metadataVersion" : "0.1.0",
  "role" : "Global Variable",
  "symbol" : {
    "kind" : "Global Variable",
    "modules" : [
      "Security"
    ],
    "preciseIdentifier" : "c:@Ea@errSecCSUnimplemented@errSecCSObjectRequired"
  },
  "title" : "errSecCSObjectRequired"
}
-->

# errSecCSObjectRequired

A required pointer argument was null.

```
var errSecCSObjectRequired: OSStatus { 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)