# IStreamNamespacePredicate.PredicatePattern

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.streams.istreamnamespacepredicate/) | [Properties](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.streams.istreamnamespacepredicate/properties/)

```csharp
public abstract string PredicatePattern
```

Gets a pattern to describe this predicate. This value is passed to instances of [IStreamNamespacePredicateProvider](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.streams.istreamnamespacepredicateprovider/) to recreate this predicate.