# HttpEventSourceCollection.OnEventSourceRegistered

Kind: Event  
Namespace: `Sisk.Core.Http.Streams`  
Assembly: `Sisk.Core.dll`  
Source: https://docs.sisk-framework.org/api/Sisk.Core.Http.Streams.HttpEventSourceCollection.OnEventSourceRegistered.html

## OnEventSourceRegistered {#Sisk_Core_Http_Streams_HttpEventSourceCollection_OnEventSourceRegistered}

Represents an event that is fired when an [HttpRequestEventSource](https://docs.sisk-framework.org/api/Sisk.Core.Http.Streams.HttpRequestEventSource.md) is registered in this collection.

```csharp
public event EventSourceRegistrationHandler? OnEventSourceRegistered
```

### Event Type

[EventSourceRegistrationHandler](https://docs.sisk-framework.org/api/Sisk.Core.Http.Streams.EventSourceRegistrationHandler.md)?