Hello,
I created a SharePoint calendar that is used to track accreditation requirements throughout the year. People within the department are assigned tasks (not SharePoint or Outlook tasks btw), often times there are several people assigned to a task. The request is to be able to have each person assigned to a task "sign off", or place a checkmark in a Complete box and when the last person has signed off, set the entire task to complete and email the supervisor in charge of the calendar.
Any suggestions would be helpful!