# SiloPersistentStreamConfiguratorExtensions.ConfigureBackoffProvider(ISiloPersistentStreamConfigurator, Func<IServiceProvider, string, IQueueReaderBackoffProvider>)

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.hosting.silopersistentstreamconfiguratorextensions/) | [Methods](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.hosting.silopersistentstreamconfiguratorextensions/methods/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Streaming/ISiloPersistentStreamConfigurator.cs)

```csharp
public static void ConfigureBackoffProvider(this ISiloPersistentStreamConfigurator configurator, Func<IServiceProvider, string, IQueueReaderBackoffProvider> factory)
```

Configures the pulling agents' queue reader backoff provider.

### Parameters

- `configurator` (`ISiloPersistentStreamConfigurator`): The configuration builder.
- `factory` (`Func<IServiceProvider, string, IQueueReaderBackoffProvider>`): The queue reader backoff factory.