# ItemPublished Constructors

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.broadcastchannel/orleans.broadcastchannel.diagnostics.broadcastchannelevents.itempublished/)

## ItemPublished(string, ChannelId, int) {#constructor-string-orleans-broadcastchannel-channelid-int-02c6c8a2}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.broadcastchannel/orleans.broadcastchannel.diagnostics.broadcastchannelevents.itempublished/constructors/constructor-string-orleans-broadcastchannel-channelid-int-02c6c8a2/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.BroadcastChannel/Diagnostics/BroadcastChannelEvents.cs#L49-L59)

```csharp
public ItemPublished(string providerName, ChannelId channelId, int subscriberCount)
```

Event payload for when an item is published to a broadcast channel.

### Parameters

- `providerName` (`string`): The name of the broadcast channel provider.
- `channelId` (`ChannelId`): The channel ID.
- `subscriberCount` (`int`): The number of subscribers that will receive this item.