# SerializerBuilderExtensions.AddAssembly(ISerializerBuilder, Assembly)

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.serialization/orleans.serialization.serializerbuilderextensions/) | [Methods](/orleans/docs/api/csharp/microsoft.orleans.serialization/orleans.serialization.serializerbuilderextensions/methods/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Serialization/Hosting/SerializerBuilderExtensions.cs#L60-L67)

```csharp
public static ISerializerBuilder AddAssembly(this ISerializerBuilder builder, Assembly assembly)
```

Adds an assembly to the builder.

### Parameters

- `builder` (`ISerializerBuilder`): The builder.
- `assembly` (`Assembly`): The assembly.

### Returns

The serialization builder