# Codec_StreamIdentity Methods

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleanscodegen.orleans.streams.codec-streamidentity/)

## Deserialize(Reader<TReaderInput>, StreamIdentity) {#deserialize-1-ref-orleans-serialization-buffers-reader-treaderinput-orleans-stre-b9c265fb}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleanscodegen.orleans.streams.codec-streamidentity/methods/deserialize-1-ref-orleans-serialization-buffers-reader-treaderinput-orleans-stre-b9c265fb/)

```csharp
public void Deserialize<TReaderInput>(ref Reader<TReaderInput> reader, StreamIdentity instance)
```

### Parameters

- `reader` (`Reader<TReaderInput>`)
- `instance` (`StreamIdentity`)

## ReadValue(Reader&lt;TReaderInput&gt;, Field) {#readvalue-1-ref-orleans-serialization-buffers-reader-treaderinput-orleans-serial-5826c7f2}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleanscodegen.orleans.streams.codec-streamidentity/methods/readvalue-1-ref-orleans-serialization-buffers-reader-treaderinput-orleans-serial-5826c7f2/)

```csharp
public StreamIdentity ReadValue<TReaderInput>(ref Reader<TReaderInput> reader, Field field)
```

Reads a value.

### Parameters

- `reader` (`Reader<TReaderInput>`): The reader.
- `field` (`Field`): The field.

### Returns

The value.

## Serialize(Writer&lt;TBufferWriter&gt;, StreamIdentity) {#serialize-1-ref-orleans-serialization-buffers-writer-tbufferwriter-orleans-strea-663c13d8}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleanscodegen.orleans.streams.codec-streamidentity/methods/serialize-1-ref-orleans-serialization-buffers-writer-tbufferwriter-orleans-strea-663c13d8/)

```csharp
public void Serialize<TBufferWriter>(ref Writer<TBufferWriter> writer, StreamIdentity instance)
```

### Parameters

- `writer` (`Writer<TBufferWriter>`)
- `instance` (`StreamIdentity`)

## WriteField(Writer&lt;TBufferWriter&gt;, uint, Type, StreamIdentity) {#writefield-1-ref-orleans-serialization-buffers-writer-tbufferwriter-uint-system-932f5270}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleanscodegen.orleans.streams.codec-streamidentity/methods/writefield-1-ref-orleans-serialization-buffers-writer-tbufferwriter-uint-system-932f5270/)

```csharp
public void WriteField<TBufferWriter>(ref Writer<TBufferWriter> writer, uint fieldIdDelta, Type expectedType, StreamIdentity value)
```

Writes a field.

### Parameters

- `writer` (`Writer<TBufferWriter>`): The writer.
- `fieldIdDelta` (`uint`): The field identifier delta.
- `expectedType` (`Type`): The expected type.
- `value` (`StreamIdentity`): The value.