# Event ID Ranges

Categorized log event IDs for filtering.

## Event ID Ranges

- **1000-1999**: Stream lifecycle
- **2000-2999**: Subscription lifecycle  
- **3000-3999**: Consumer lifecycle
- **4000-4999**: Event publishing
- **5000-5999**: Event consumption

## Filtering

```csharp
builder.Logging.AddFilter("Svrnty.CQRS", (category, level, eventId) =>
{
    return eventId.Id >= 3000 && eventId.Id < 4000; // Only consumer events
});
```

## See Also

- [Logging Overview](README.md)