If you are referring to submitting a ticket to Workfront Support, then after logging into Workfront One, you would click on the "Support" tab in the main navigation at the top, where you can then create a support case.
If you are referring to submitting a ticket to Workfront Support, then after logging into Workfront One, you would click on the "Support" tab in the main navigation at the top, where you can then create a support case.