AWS Lambda for forwarding a WebHook to Slack

How to set up an Amazon AWS lambda function to catch an outgoing webhook and create a message to forward on to a slack incoming webhook to post to a slack room Affiliate Link https://www.amazon.com/gp/product/1789340195/ref=as_li_tl?ie=UTF8&tag=10x1309-20&camp=1789&creative=9325&linkCode=as2&creativeASIN=1789340195&linkId=7f0dfe6faba0d37eefd3a961ccc97c56