Thank you all for your replies.
I am working in SharePoint 2013 with Ninetex workflows and am attaching a picture.
I would like a notification when the cell is empty and another email 21 days from due. all dates will be different in each cell.
The Name 1 and name 2 will be email addresses with the column name is EmpName
Solved! Go to Solution.
Have you looked at this - it could be adapted for what you require?