CQRS.NET  4.0
A lightweight enterprise Function as a Service (FaaS) framework to write function based serverless and micro-service applications in hybrid multi-datacentre, on-premise and Azure environments.

◆ RegistrationHandling

The type of registration action to take

Enumerator
Replace 

Add any new, and replace any existing.

ThrowExceptionOnDuplicate 

Throw an Exception if one already exists.

Nothing 

Keep the existing one and don't do anything.