# JsonDurableListCommandCodec<T>.WriteSet(int, T, JournalStreamWriter)

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.journaling/orleans.journaling.json.jsondurablelistcommandcodec-1/) | [Methods](/orleans/docs/api/csharp/microsoft.orleans.journaling/orleans.journaling.json.jsondurablelistcommandcodec-1/methods/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Journaling/Formats/Json/JsonDurableCollectionCommandCodecs.cs#L30-L39)

```csharp
public void WriteSet(int index, T item, JournalStreamWriter writer)
```

Writes a set command.

### Parameters

- `index` (`int`)
- `item` (`T`)
- `writer` (`JournalStreamWriter`)