Open any work order from Service > Work Orders.
Time tracking: In the Time section, click "Clock In" to start the timer for the assigned technician. Click "Clock Out" to stop. Multiple clock-in/clock-out segments are allowed (lunch, parts run, etc.) and the total billable time is summed for the work order.
Check-in and check-out checklists: Only the Check-In and Check-Out stages have checklists today (In Progress and QC do not, though they still allow stage-level notes and photos). For each checklist item, click Pass, Fail, or N/A. Use the notes box for stage-level comments and click "Save Notes". Failed items make the issue visible to anyone reviewing the work order. Custom checklist items can be added via Settings > Custom Fields under Work Order Check-In / Work Order Check-Out (up to 4 each); there is no in-product editor for the built-in items.
Photos: Each stage has a photo upload section. Click the file picker, choose photos (or take them with a phone), and click "Upload". Photos are thumbnailed in the work order and full-size when clicked. Use photos to document pre-existing damage on check-in and finished work on check-out. Photos can be deleted by anyone with permission to edit the work order.
Photos and checklists are included in the printed work order PDF and the email sent to the customer. See "What Prints on a Work Order" for everything else that appears on it.