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

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

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

Writes a set command.

### Parameters

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