Send Email Alert when Task is Still Not Completed but is Already Passed the Scheduled Start Time

Steps in creating saved search:

1. Create a new Saved Search by navigating to List > Search > Saved Searches > New
2. Choose Task
3. Add the following under Criteria :

• Status : is In Progress and Not Started
• Formula (Numeric) : case when {starttime} < {now} then 1 else 0 end Set equal to 1

4. On the Email tab:

• Specify recipients 
• SEND EMAIL ALERTS WHEN RECORDS ARE CREATED/UPDATED = T
• Customize Message = enter message (optional)
• INCLUDE VIEW RECORD LINK = T (if users want to be able to open the task record via the email alert)

5. Save