# GuidCodec.WriteField(Writer&lt;TBufferWriter&gt;, uint, Guid)

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

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Serialization/Codecs/GuidCodec.cs#L36-L40)

```csharp
public static void WriteField<TBufferWriter>(ref Writer<TBufferWriter> writer, uint fieldIdDelta, Guid value)
```

Writes a field without type info (expected type is statically known).

### Parameters

- `writer` (`Writer<TBufferWriter>`): The writer.
- `fieldIdDelta` (`uint`): The field identifier delta.
- `value` (`Guid`): The value.
