To edit a participant absence period:
In the left pane of the Process Administrator, click Participants.
From the participant list, select a participant User ID.
On the Participants | Edit Participant page, click Absence Periods.
On the Participants | Edit Participant | Absence Periods page, select a Start Date.
On the Participants | Edit Participant | Absence Periods | Edit Absence Period page, edit the Start Date, Finish Date, and Replacements list.
Click Save.