AWS CDK: A Slack notification pipeline (via AWS ChatBot)

The AWS docs explain pretty well what the AWS ChatBot is:

AWS Chatbot is an AWS service that enables DevOps and software development teams to use messaging program chat rooms to monitor and respond to operational events in their AWS Cloud

I want to show you how to build a full notification pipeline that will allow you to send messages to an SNS topic with this format:

aws sns publish --subject "Hello world!" --message "What a pretty day 🌻" --topic-arn…