While your logbook entries themselves provide a lot of detail including time, date, location, vehicle driven and operator it can be beneficial to add a comment with more detail important to that shift. There are two ways you can add a comment to a shift.
1) During the Shift
If something happens during a shift that you want to take note of click on the pages icon on the top right of your screen to see your current shift details.
Click on the blue pencil to add comments
Here you can enter whatever comments are necessary to you. When you are finished click the blue Save button in the top right corner of your screen.
2) During Shift Review
You can also write comments here by following the same steps as above.