Your First Event Handler
A simple hello world block which can replace your original message with { "hello" : "world" }.
This is done in an on-before publish/fire event handler.
Hello World
JavaScript. The basic BLOCK. One event handler.
Workflow
Send/Receive messages on channel: "hello-world"
This is a simple “Hello World” BLOCK. Replaces your message with { "hello" : "world" }
