In Comet add the delivery repository created in the previous step to its product listing.

If you have created an image with the "rhelX/" prefix, add the repository to the "Red Hat Enterprise Linux X" product listing.

Similarly if you have created an image with the "ubiX/" prefix, add the repository to the "Red Hat Universal Base Image X" product listing

Where "X" is the major version of RHEL you are building the image for.