To create time off in Workforce Planning.
For projects using Workforce Planning you can manage time off for your workforce. When making assignments or filling workforce requests from the Assignment Board, the resource bench reflects which people are available, assigned, or off. See What is the 'resource bench' in Workforce Planning?
You can only enter time off for people added in Workforce Planning. See Add People to Workforce Planning.
You can create Time Off from two (2) places in the Workforce Planning tool: