Attach(Func<T, Task>, Func<Exception, Task>)
abstract
public abstract Task Attach<T>(Func<T, Task> onPublished, Func<Exception, Task>? onError = null) Attaches handlers which receive items and delivery errors for this subscription.
Parameters
onPublishedFunc<T, Task>- The handler invoked for each published item.
onErrorFunc<Exception, Task>- The optional handler invoked when item delivery fails.
Returns
A task which completes when the handlers have been attached.
