# Codec_GrainId Methods

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.core.abstractions/orleanscodegen.orleans.runtime.codec-grainid/)

## Deserialize(Reader<TReaderInput>, GrainId) {#deserialize-1-ref-orleans-serialization-buffers-reader-treaderinput-ref-orleans-e5b458f4}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.core.abstractions/orleanscodegen.orleans.runtime.codec-grainid/methods/deserialize-1-ref-orleans-serialization-buffers-reader-treaderinput-ref-orleans-e5b458f4/)

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

Deserializes the specified type.

### Parameters

- `reader` (`Reader<TReaderInput>`): The reader.
- `instance` (`GrainId`): The value.

## ReadValue(Reader&lt;TReaderInput&gt;, Field) {#readvalue-1-ref-orleans-serialization-buffers-reader-treaderinput-orleans-serial-2ebb0b08}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.core.abstractions/orleanscodegen.orleans.runtime.codec-grainid/methods/readvalue-1-ref-orleans-serialization-buffers-reader-treaderinput-orleans-serial-2ebb0b08/)

```csharp
public GrainId 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;, GrainId) {#serialize-1-ref-orleans-serialization-buffers-writer-tbufferwriter-ref-orleans-r-159740c3}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.core.abstractions/orleanscodegen.orleans.runtime.codec-grainid/methods/serialize-1-ref-orleans-serialization-buffers-writer-tbufferwriter-ref-orleans-r-159740c3/)

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

Serializes the provided value.

### Parameters

- `writer` (`Writer<TBufferWriter>`): The writer.
- `instance` (`GrainId`): The value.

## WriteField(Writer&lt;TBufferWriter&gt;, uint, Type, GrainId) {#writefield-1-ref-orleans-serialization-buffers-writer-tbufferwriter-uint-system-28b43a06}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.core.abstractions/orleanscodegen.orleans.runtime.codec-grainid/methods/writefield-1-ref-orleans-serialization-buffers-writer-tbufferwriter-uint-system-28b43a06/)

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

Writes a field.

### Parameters

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