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# OSLog.Category

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

```
struct Category
```

## Topics

### Logging Signposts

[`pointsOfInterest`](/documentation/os/OSLog/Category/pointsOfInterest)

The category you use to log signposts.

[`dynamicStackTracing`](/documentation/os/OSLog/Category/dynamicStackTracing)

The category for dynamic stack tracing.

[`dynamicTracing`](/documentation/os/OSLog/Category/dynamicTracing)

The category for dynamic tracing.

### Inspecting Log Categories

[`rawValue`](/documentation/os/OSLog/Category/rawValue)

A string that uniquely identifies a logging category.


---

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