# SerializerSession Properties

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.serialization/orleans.serialization.session.serializersession/)

## CodecProvider {#codecprovider-0626172e}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.serialization/orleans.serialization.session.serializersession/properties/codecprovider-0626172e/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Serialization/Session/SerializerSession.cs#L54)

```csharp
public CodecProvider CodecProvider
```

Gets the codec provider.

### Value

The codec provider.

## ReferencedObjects {#referencedobjects-78ac0f03}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.serialization/orleans.serialization.session.serializersession/properties/referencedobjects-78ac0f03/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Serialization/Session/SerializerSession.cs#L48)

```csharp
public ReferencedObjectCollection ReferencedObjects
```

Gets the referenced object collection.

### Value

The referenced object collection.

## ReferencedTypes {#referencedtypes-60c4177d}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.serialization/orleans.serialization.session.serializersession/properties/referencedtypes-60c4177d/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Serialization/Session/SerializerSession.cs#L42)

```csharp
public ReferencedTypeCollection ReferencedTypes
```

Gets the referenced type collection.

### Value

The referenced type collection.

## TypeCodec {#typecodec-ac647bca}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.serialization/orleans.serialization.session.serializersession/properties/typecodec-ac647bca/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Serialization/Session/SerializerSession.cs#L30)

```csharp
public TypeCodec TypeCodec
```

Gets the type codec.

### Value

The type codec.

## WellKnownTypes {#wellknowntypes-ac299bff}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.serialization/orleans.serialization.session.serializersession/properties/wellknowntypes-ac299bff/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Serialization/Session/SerializerSession.cs#L36)

```csharp
public WellKnownTypeCollection WellKnownTypes
```

Gets the well known types collection.

### Value

The well known types collection.