You can view your shift trade history (that is, a record of all proposed, accepted, and declined trades) by tapping the shift trading icon in the Calendar feature. In the shift trade menu, tap Shift Trade History. The clock shows a list of your most recent trades:
To view shift trades from another period, go to a different week using the drop-down arrow above your shift trade history.
To cancel a shift trade, tap Revoke. The clock performs a validation and determines if the shift trade can be revoked.