---
title: sizeLimitExceeded
framework: foundation
role: symbol
role_heading: Type Property
path: foundation/notificationcenter/messageidentifier/sizelimitexceeded
---

# sizeLimitExceeded

An identifier for a message about a user defaults database exceeding its maximum size.

## Declaration

```swift
static var sizeLimitExceeded: NotificationCenter.BaseMessageIdentifier<UserDefaults.SizeLimitExceededMessage> { get }
```

## Discussion

Discussion Use this identifier with NotificationCenter’s addObserver(of:for:using:) or messages(of:for:bufferSize:) methods to observe messages of type UserDefaults.SizeLimitExceededMessage.

## See Also

### Identifying defaults messages

- [didChange](foundation/notificationcenter/messageidentifier/didchange-187tw.md)