<!--
{
  "availability" : [
    "macCatalyst: 13.0.0 -",
    "macOS: 10.4.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "Security",
  "identifier" : "/documentation/Security/AuthorizationPluginInterface/MechanismDestroy",
  "metadataVersion" : "0.1.0",
  "role" : "Instance Property",
  "symbol" : {
    "kind" : "Instance Property",
    "modules" : [
      "Security"
    ],
    "preciseIdentifier" : "c:@S@AuthorizationPluginInterface@FI@MechanismDestroy"
  },
  "title" : "MechanismDestroy"
}
-->

# MechanismDestroy

Destroys an authorization mechanism.

```
int (*)(void *) MechanismDestroy;
```

## Parameters

`inMechanism`

An authorization mechanism reference that you returned when your [`MechanismCreate`](/documentation/Security/AuthorizationPluginInterface/MechanismCreate) function was called to create the mechanism.

## Return Value

A result code. Return [`errAuthorizationSuccess`](/documentation/Security/errAuthorizationSuccess) (no error) if the function completes successfully and [`errAuthorizationInternal`](/documentation/Security/errAuthorizationInternal) (Security Server internal error) if any error occurs.

## Discussion

When the authorization engine calls your [`MechanismDestroy`](/documentation/Security/AuthorizationPluginInterface/MechanismDestroy) function, you must release all resources owned by your mechanism and do any other cleanup necessary (such as deleting temporary files).

---

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)