# ConstructorChannelNamespacePredicateProvider

Package: [Microsoft.Orleans.BroadcastChannel](/orleans/docs/api/csharp/microsoft.orleans.broadcastchannel/) 10.0.0

[NuGet package](https://www.nuget.org/packages/Microsoft.Orleans.BroadcastChannel) | [Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.BroadcastChannel/SubscriberTable/Predicates/DefaultStreamNamespacePredicateProvider.cs#L36)

```csharp
public class ConstructorChannelNamespacePredicateProvider : IChannelNamespacePredicateProvider
```

Stream namespace predicate provider which supports objects which can be constructed and optionally accept a string as a constructor argument.

## Constructors

- [ConstructorChannelNamespacePredicateProvider](/orleans/docs/api/csharp/microsoft.orleans.broadcastchannel/orleans.broadcastchannel.constructorchannelnamespacepredicateprovider/constructors/constructor-d1c894f1/)

## Methods

- [FormatPattern(Type, string)](/orleans/docs/api/csharp/microsoft.orleans.broadcastchannel/orleans.broadcastchannel.constructorchannelnamespacepredicateprovider/methods/formatpattern-system-type-string-1cecd748/)
- [TryGetPredicate(string, IChannelNamespacePredicate)](/orleans/docs/api/csharp/microsoft.orleans.broadcastchannel/orleans.broadcastchannel.constructorchannelnamespacepredicateprovider/methods/trygetpredicate-string-out-orleans-broadcastchannel-ichannelnamespacepredicate-767341b0/)

## Fields

- [Prefix](/orleans/docs/api/csharp/microsoft.orleans.broadcastchannel/orleans.broadcastchannel.constructorchannelnamespacepredicateprovider/fields/prefix-fcebb380/)