Search Assigned Shift Details can be searched through the 'Search Assigned Shift Details' page under Attendance module.

Attendance -> Search Assigned Shift Details

Shift assigned or not assigned employees details can be searched thru this Search Assigned Shift Details. The result will be searched based on different selection criteria available.
Already assigned shift can be deleted if there are no transactions created against this assigned shift period, like no attendance synced or no timesheet generated based on this assigned shift.

Click below link to view create Search Assigned Shift Details Video: