# IChannelNamespacePredicate

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

[NuGet package](https://www.nuget.org/packages/Microsoft.Orleans.BroadcastChannel)

```csharp
public interface IChannelNamespacePredicate
```

Stream namespace predicate used for filtering implicit subscriptions using [ImplicitChannelSubscriptionAttribute](/orleans/docs/api/csharp/microsoft.orleans.broadcastchannel/orleans.implicitchannelsubscriptionattribute/).

## Remarks

All implementations must be serializable.

## Properties

- [PredicatePattern](/orleans/docs/api/csharp/microsoft.orleans.broadcastchannel/orleans.broadcastchannel.ichannelnamespacepredicate/properties/predicatepattern-7abcc40e/)

## Methods

- [IsMatch(string)](/orleans/docs/api/csharp/microsoft.orleans.broadcastchannel/orleans.broadcastchannel.ichannelnamespacepredicate/methods/ismatch-string-fe52fb5e/)