# SystemTextJsonSerializerExtensions.UseSystemTextJsonGrainStorageSerializer(ISiloBuilder, Action<OptionsBuilder<SystemTextJsonGrainStorageSerializerOptions>>)

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

[Source](https://github.com/dotnet/orleans/blob/997f2589e814db85c6a451b59c081c88e50b8944/src/Orleans.Runtime/Hosting/SystemTextJsonSerializerExtensions.cs)

```csharp
public static ISiloBuilder UseSystemTextJsonGrainStorageSerializer(this ISiloBuilder siloBuilder, Action<OptionsBuilder<SystemTextJsonGrainStorageSerializerOptions>> configureOptions)
```

Configures System.Text.Json as the default grain storage serializer.

### Parameters

- `siloBuilder` (`ISiloBuilder`): The silo builder to configure with System.Text.Json grain storage support.
- `configureOptions` (`Action<OptionsBuilder<SystemTextJsonGrainStorageSerializerOptions>>`): The delegate used to configure the serializer options builder, for example to resolve services or bind configuration.

### Returns

The silo builder.