# RegexChannelNamespacePredicate.PredicatePattern

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.broadcastchannel/orleans.broadcastchannel.regexchannelnamespacepredicate/) | [Properties](/orleans/docs/api/csharp/microsoft.orleans.broadcastchannel/orleans.broadcastchannel.regexchannelnamespacepredicate/properties/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.BroadcastChannel/SubscriberTable/Predicates/RegexChannelNamespacePredicate.cs#L18)

```csharp
public string PredicatePattern
```

Returns a pattern used to describe this instance. The pattern will be parsed by an [IChannelNamespacePredicateProvider](/orleans/docs/api/csharp/microsoft.orleans.broadcastchannel/orleans.broadcastchannel.ichannelnamespacepredicateprovider/) instance on each node.