Step 1: Click on the date of the opportunity as shown below.

Step 2: Find the opportunity and Click on “Manage Volunteers”.

Step 3: Now, go to the volunteer, who didn’t turn up for the service and click on “Excuse Absence”.

Step 4:  After clicking on “Excused Absence”, enter the notes and click on “save”.

Step 5: To see the notes click on the “doc” symbol beside “Excused Absence” button as shown below.