# SiloLifecycleSubject Constructors

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.runtime/orleans.runtime.silolifecyclesubject/)

## SiloLifecycleSubject(ILogger<SiloLifecycleSubject>) {#constructor-microsoft-extensions-logging-ilogger-orleans-runtime-silolifecyclesu-5e8c82a1}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.runtime/orleans.runtime.silolifecyclesubject/constructors/constructor-microsoft-extensions-logging-ilogger-orleans-runtime-silolifecyclesu-5e8c82a1/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Runtime/Lifecycle/SiloLifecycleSubject.cs#L34-L36)

```csharp
public SiloLifecycleSubject(ILogger<SiloLifecycleSubject> logger)
```

Initializes a new instance of the [SiloLifecycleSubject](/orleans/docs/api/csharp/microsoft.orleans.runtime/orleans.runtime.silolifecyclesubject/) class.

### Parameters

- `logger` (`ILogger<SiloLifecycleSubject>`): The logger.

## SiloLifecycleSubject(ILogger&lt;SiloLifecycleSubject&gt;, ILocalSiloDetails?) {#constructor-microsoft-extensions-logging-ilogger-orleans-runtime-silolifecyclesu-15b14275}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.runtime/orleans.runtime.silolifecyclesubject/constructors/constructor-microsoft-extensions-logging-ilogger-orleans-runtime-silolifecyclesu-15b14275/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Runtime/Lifecycle/SiloLifecycleSubject.cs#L43-L49)

```csharp
public SiloLifecycleSubject(ILogger<SiloLifecycleSubject> logger, ILocalSiloDetails? localSiloDetails)
```

Initializes a new instance of the [SiloLifecycleSubject](/orleans/docs/api/csharp/microsoft.orleans.runtime/orleans.runtime.silolifecyclesubject/) class.

### Parameters

- `logger` (`ILogger<SiloLifecycleSubject>`): The logger.
- `localSiloDetails` (`ILocalSiloDetails?`): Local silo details for diagnostic events.