---
title: SecKeychainEventMask
framework: security
role: symbol
role_heading: Structure
path: security/seckeychaineventmask
---

# SecKeychainEventMask

Bit masks corresponding to the events that can trigger a keychain callback.

## Declaration

```swift
struct SecKeychainEventMask
```

## Overview

Overview Bitwise OR one or more of these masks together to provide the eventMask input to the SecKeychainAddCallback(_:_:_:) function to indicate what event or events should trigger your callback.

## Topics

### Initializers

- [init(rawValue:)](security/seckeychaineventmask/init(rawvalue:).md)

### Constants

- [lockEventMask](security/seckeychaineventmask/lockeventmask.md)
- [unlockEventMask](security/seckeychaineventmask/unlockeventmask.md)
- [addEventMask](security/seckeychaineventmask/addeventmask.md)
- [deleteEventMask](security/seckeychaineventmask/deleteeventmask.md)
- [updateEventMask](security/seckeychaineventmask/updateeventmask.md)
- [passwordChangedEventMask](security/seckeychaineventmask/passwordchangedeventmask.md)
- [defaultChangedEventMask](security/seckeychaineventmask/defaultchangedeventmask.md)
- [dataAccessEventMask](security/seckeychaineventmask/dataaccesseventmask.md)
- [keychainListChangedMask](security/seckeychaineventmask/keychainlistchangedmask.md)
- [trustSettingsChangedEventMask](security/seckeychaineventmask/trustsettingschangedeventmask.md)
- [everyEventMask](security/seckeychaineventmask/everyeventmask.md)

## Relationships

### Conforms To

- [BitwiseCopyable](swift/bitwisecopyable.md)
- [Equatable](swift/equatable.md)
- [ExpressibleByArrayLiteral](swift/expressiblebyarrayliteral.md)
- [OptionSet](swift/optionset.md)
- [RawRepresentable](swift/rawrepresentable.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)
- [SetAlgebra](swift/setalgebra.md)