---
title: OSLog.Category
framework: os
role: symbol
role_heading: Structure
path: os/oslog/category
---

# OSLog.Category

System-defined categories that identify well-known parts of your app.

## Declaration

```swift
struct Category
```

## Topics

### Logging Signposts

- [pointsOfInterest](os/oslog/category/pointsofinterest.md)
- [dynamicStackTracing](os/oslog/category/dynamicstacktracing.md)
- [dynamicTracing](os/oslog/category/dynamictracing.md)

### Inspecting Log Categories

- [rawValue](os/oslog/category/rawvalue.md)

## Relationships

### Conforms To

- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Creating a Log

- [init(subsystem:category:)](os/oslog/init(subsystem:category:)-17gyy.md)
- [init(subsystem:category:)](os/oslog/init(subsystem:category:)-72ghw.md)