If you’re using the desktop app, you may set the pop-up automatically to appear after being away from the computer. Go to the:
Settings-> General-> Desktop app
- in the settings field shown below you can define when away time-pop up should appear ( the actual time will be a sum of values the fields marked with (1) and (2)
Once the pop-up will appear, you may assign that time away from the computer into a specific task or a project as shown on below animation:
Once it’s assigned you may check that in the timesheet tab.