Plugins » Katello

1. Create a custom product
2. Go to create a new repo
3. Using your keyboard:
a) Type a name
b) hit tab
c) hit tab again
d) use your arrow key to arrow down twice to select puppet
e) hit tab again to navigate to the url box
f) hit enter

You will see that the type selector will switch to yum right as the form is submitted. Sure enough a yum repo is created