Create Amazon IAM User if not exists.
For Jira Cloud, see https://ilaesolution.atlassian.net/wiki/spaces/JUFJ/pages/904232961
Go to Jira project configuration ** In Workflows tab Click EDIT Icon.
In Post Functions tab section, Click Add Post Function.
Choose Amazon Code Build Project Start Function and Click Add.
Configure Post Function and Click Add.
Review and Click Publish.
Transition Issue and verify if Amazon Code Build Project triggered with Code Build link notification through issue comment.