Relevant Workday guides:
(1) Recording a promotion for a faculty member. Change Job: In Track Promotion (Academic)
(2) Re-appointing a faculty member to a primary, fully joint, or secondary appointment. Academic: Managing Appointments, and Manage Compensation (Academic) or Change Job: Work Week FTE/Location (Academic), if there is any other change to the job.
(3) Providing a faculty member with an initial secondary appointment. Academic: Managing Appointments