# JsonJournalOptions Methods

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

## AddTypeInfoResolver(IJsonTypeInfoResolver) {#addtypeinforesolver-system-text-json-serialization-metadata-ijsontypeinforesolve-f26e3ef3}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.journaling/orleans.journaling.json.jsonjournaloptions/methods/addtypeinforesolver-system-text-json-serialization-metadata-ijsontypeinforesolve-f26e3ef3/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Journaling/Formats/Json/JsonJournalExtensions.cs#L42-L45)

```csharp
public JsonJournalOptions AddTypeInfoResolver(IJsonTypeInfoResolver typeInfoResolver)
```

Adds source-generated JSON metadata to the serializer options used for journaled payload values.

### Parameters

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

### Returns

This options instance for chaining.

### Examples

```csharp
builder.AddJournalStorage().UseJsonJournalFormat(options =>
            {
                options.AddTypeInfoResolver(MyJournalJsonContext.Default);
            });
```