Node-Red
From Amahi Wiki
What is node Red
Node-red is Flow-Based Programming (FBP) is a web-based visual programming language
Node-Red
Home Assistant and node-red can be used for creating smart Automatons.
Examples
Maybe you have an alarm you can use node-red when it triggered execute actions
If you have a Power monitoring plug on your washing machine you can use Node-Red to monitor the power used and notify you when the machine has finished
for more information on Node-red, please search the internet or youtube their lots of help to get you started