---
title: argumentCategory
framework: OSLog
role: symbol
role_heading: Instance Property
platforms: [iOS 15.0+, iPadOS 15.0+, Mac Catalyst 15.0+, macOS 10.15+, tvOS 15.0+, visionOS 1.0+, watchOS 8.0+]
path: oslog/oslogmessagecomponent/argumentcategory-swift.property
---

# argumentCategory

The type of argument that corresponds to the placeholder.

## Declaration

```swift
var argumentCategory: OSLogMessageComponent.ArgumentCategory { get }
```

## See Also

### Reading the Argument

- [argument](oslog/oslogmessagecomponent/argument-swift.property.md)
- [OSLogMessageComponent.Argument](oslog/oslogmessagecomponent/argument-swift.enum.md)
- [OSLogMessageComponent.ArgumentCategory](oslog/oslogmessagecomponent/argumentcategory-swift.enum.md)