# IDurableSet<T>.Contains(T)

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

```csharp
public abstract bool Contains(T item)
```

### Parameters

- `item` (`T`)