# Microsoft.AspNetCore.Components.Server.Circuits

``` diff
 namespace Microsoft.AspNetCore.Components.Server.Circuits {
     public abstract class CircuitHandler {
+        public virtual Func<CircuitInboundActivityContext, Task> CreateInboundActivityHandler(Func<CircuitInboundActivityContext, Task> next);
     }
+    public sealed class CircuitInboundActivityContext {
+        public Circuit Circuit { get; }
+    }
 }
```

