To add yourself to a shift on the calendar, follow these simple steps.
1. Click on the 
image in the lower right hand corner of the calendar screen.
2.
Click on the start time of the shift that you are signing up for (6am-6pm or 6pm-6am)
3. Click edit event detail and fill out as follows:
-What: Your name and position that you will be covering (EMT, Driver, or Other)
-When: Change end time to the end time of the shift that you are signing up for
-Privacy: Change privacy setting to public
-Click Save