cd ~/.node-red npm install node-red-contrib-norelite-homeassistant
Start by taking a look at the exmples that you get when you install the bundle. Examples are available through the Node-RED UI at Import -> Examples.
What is it?
Helper nodes to build the message to managed calls to Home Assistant such as turning on/off a light or a switch. The input to the node is from a Norelite node that generates a message intended to steer lights or switches to ease implementing your home automation requirements.