ESS user can cancel the picked-up shift until it is not approved by the supervisor. To cancel a shift:

When Auto Approve of shift swap is enabled in the portal, a picked-up shift will be automatically added as a...

From homepage weekly calendar view, user can view the various statuses and take actions on their shift swaps. Drop Shift...

MSS user can view the shift swap status in the schedule page. For the dropping employee, when shift is dropped...

Shift Swap feature allows ESS users to drop the schedule, pickup any available shifts, cancel the dropped or picked up...