As you can see, we already have a project configured; this is an extremely basic one that downloads the sample playbook from https://github.com/ansible/ansible-tower-samples/ and displays the message Hello World. Before we can run the playbook, we first need to download a copy from GitHub; to do this, click on PROJECTS in the top menu.
You will be able to see the Demo Project listed. Hovering over the icons under actions will give you a description of what each one will do when you click it; we want to click on the first icon, Start an SCM update. After a short time, you should see that REVISION and LAST UPDATED are both populated:
This means that Ansible Tower has now downloaded the demo playbook from GitHub; ...