---
title: summaryArgument
framework: usernotifications
role: symbol
role_heading: Instance Property
path: usernotifications/unmutablenotificationcontent/summaryargument
---

# summaryArgument

The text the system adds to the notification summary to provide additional context.

## Declaration

```swift
var summaryArgument: String { get set }
```

## See Also

### Grouping notifications

- [threadIdentifier](usernotifications/unmutablenotificationcontent/threadidentifier.md)
- [categoryIdentifier](usernotifications/unmutablenotificationcontent/categoryidentifier.md)
- [summaryArgumentCount](usernotifications/unmutablenotificationcontent/summaryargumentcount.md)