# Codec_GrainState<T> Methods

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.core/orleanscodegen.orleans.codec-grainstate-1/)

## Deserialize(Reader<TReaderInput>, GrainState<T>) {#deserialize-1-ref-orleans-serialization-buffers-reader-treaderinput-orleans-grai-fbe6776b}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.core/orleanscodegen.orleans.codec-grainstate-1/methods/deserialize-1-ref-orleans-serialization-buffers-reader-treaderinput-orleans-grai-fbe6776b/)

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

### Parameters

- `reader` (`Reader<TReaderInput>`)
- `instance` (`GrainState<T>`)

## ReadValue(Reader&lt;TReaderInput&gt;, Field) {#readvalue-1-ref-orleans-serialization-buffers-reader-treaderinput-orleans-serial-9e0e2ed4}

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```csharp
public GrainState<T> 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;, GrainState&lt;T&gt;) {#serialize-1-ref-orleans-serialization-buffers-writer-tbufferwriter-orleans-grain-6b45d7e6}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.core/orleanscodegen.orleans.codec-grainstate-1/methods/serialize-1-ref-orleans-serialization-buffers-writer-tbufferwriter-orleans-grain-6b45d7e6/)

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

### Parameters

- `writer` (`Writer<TBufferWriter>`)
- `instance` (`GrainState<T>`)

## WriteField(Writer&lt;TBufferWriter&gt;, uint, Type, GrainState&lt;T&gt;) {#writefield-1-ref-orleans-serialization-buffers-writer-tbufferwriter-uint-system-1ee8a6c2}

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

Writes a field.

### Parameters

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