---
title: keychainListChangedMask
framework: security
role: symbol
role_heading: Type Property
path: security/seckeychaineventmask/keychainlistchangedmask
---

# keychainListChangedMask

If the bit specified by this mask is set, your callback function is invoked when a keychain list is changed.

## Declaration

```swift
static var keychainListChangedMask: SecKeychainEventMask { get }
```