# LifecycleSubject Constructors

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.core/orleans.lifecyclesubject/)

## LifecycleSubject(ILogger) {#constructor-microsoft-extensions-logging-ilogger-96673bcb}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.core/orleans.lifecyclesubject/constructors/constructor-microsoft-extensions-logging-ilogger-96673bcb/)

[Source](https://github.com/dotnet/orleans/blob/b7a9e3e1c9c54b3cec3a467c5734bf7744541bcf/src/Orleans.Core/Lifecycle/LifecycleSubject.cs#L26-L34)

```csharp
protected LifecycleSubject(ILogger logger)
```

### Parameters

- `logger` (`ILogger`)