# DefaultChannelNamespacePredicateProvider Methods

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.broadcastchannel/orleans.broadcastchannel.defaultchannelnamespacepredicateprovider/)

## TryGetPredicate(string, IChannelNamespacePredicate) {#trygetpredicate-string-out-orleans-broadcastchannel-ichannelnamespacepredicate-b997a5ad}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.broadcastchannel/orleans.broadcastchannel.defaultchannelnamespacepredicateprovider/methods/trygetpredicate-string-out-orleans-broadcastchannel-ichannelnamespacepredicate-b997a5ad/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.BroadcastChannel/SubscriberTable/Predicates/DefaultStreamNamespacePredicateProvider.cs#L15-L29)

```csharp
public bool TryGetPredicate(string predicatePattern, out IChannelNamespacePredicate predicate)
```

Get the predicate matching the provided pattern. Returns `false` if this provider cannot match the predicate.

### Parameters

- `predicatePattern` (`string`)
- `predicate` (`IChannelNamespacePredicate`)