---
title: RemoveHintValue
framework: security
role: symbol
role_heading: Instance Property
path: security/authorizationcallbacks/removehintvalue
---

# RemoveHintValue

Removes a value stored by the plug-in authorization mechanism.

## Declaration

```occ
int (*)(struct __OpaqueAuthorizationEngine *, const char *) RemoveHintValue;
```

## Parameters

- `inEngine`: An opaque handle that is passed to your plug-in when the authorization engine calls your doc://com.apple.security/documentation/Security/AuthorizationPluginInterface/MechanismCreate function.
- `inKey`: A key indicating which value you want to remove. This key must correspond to one you specified when you used the doc://com.apple.security/documentation/Security/AuthorizationCallbacks/SetHintValue function to store a hint value.

## Return Value

Return Value A result code. Possible results are errAuthorizationSuccess (no error) and errAuthorizationInternal (Security Server internal error).