# JsonJournalHostingExtensions Methods

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.journaling/orleans.journaling.json.jsonjournalhostingextensions/)

## UseJsonJournalFormat(ISiloBuilder, Action<JsonJournalOptions>) {#usejsonjournalformat-this-orleans-hosting-isilobuilder-system-action-orleans-jou-57938bb0}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.journaling/orleans.journaling.json.jsonjournalhostingextensions/methods/usejsonjournalformat-this-orleans-hosting-isilobuilder-system-action-orleans-jou-57938bb0/)

[Source](https://github.com/dotnet/orleans/blob/8efd4352592e66dffd235c823bfb83ecb3945320/src/Orleans.Journaling/Formats/Json/JsonJournalHostingExtensions.cs#L75-L83)

```csharp
public static ISiloBuilder UseJsonJournalFormat(this ISiloBuilder builder, Action<JsonJournalOptions>? configure = null)
```

Configures this silo with the JSON Lines Orleans.Journaling format family.

### Parameters

- `builder` (`ISiloBuilder`): The silo builder.
- `configure` (`Action<JsonJournalOptions>`): Optional delegate to configure [JsonJournalOptions](/orleans/docs/api/csharp/microsoft.orleans.journaling/orleans.journaling.json.jsonjournaloptions/).

### Returns

The silo builder for chaining.

### Examples

```csharp
builder.AddJournaling().UseJsonJournalFormat();
            
             builder.AddJournaling().UseJsonJournalFormat(MyJournalJsonContext.Default);
            
             builder.AddJournaling().UseJsonJournalFormat(options =>
             {
                 options.SerializerOptions.PropertyNamingPolicy = JsonNamingPolicy.CamelCase;
                 options.AddTypeInfoResolver(MyJournalJsonContext.Default);
             });
```

## UseJsonJournalFormat(ISiloBuilder, IJsonTypeInfoResolver) {#usejsonjournalformat-this-orleans-hosting-isilobuilder-system-text-json-serializ-c8ad4081}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.journaling/orleans.journaling.json.jsonjournalhostingextensions/methods/usejsonjournalformat-this-orleans-hosting-isilobuilder-system-text-json-serializ-c8ad4081/)

[Source](https://github.com/dotnet/orleans/blob/8efd4352592e66dffd235c823bfb83ecb3945320/src/Orleans.Journaling/Formats/Json/JsonJournalHostingExtensions.cs#L103-L105)

```csharp
public static ISiloBuilder UseJsonJournalFormat(this ISiloBuilder builder, IJsonTypeInfoResolver typeInfoResolver)
```

Configures this silo with the JSON Lines Orleans.Journaling format family and registers source-generated metadata for journaled payload values.

### Parameters

- `builder` (`ISiloBuilder`): The silo builder.
- `typeInfoResolver` (`IJsonTypeInfoResolver`): The resolver, typically a generated `System.Text.Json.Serialization.JsonSerializerContext` instance.

### Returns

The silo builder for chaining.

### Examples

```csharp
builder.AddJournaling().UseJsonJournalFormat(MyJournalJsonContext.Default);
```