How do I add email alerts for SLA violations in Vtiger CRM?

1. Log in the CRM. 
2. Click on the User Menu in the top right corner. 
3. Click Settings. The Settings page opens. 
4. Select Support > SLA Policies. 
5. Click +Add SLA.
6. Select the required Module. The Configuring SLA Policy page opens. 
7. Enter the details such as SLA name, operational hours, etc.
8. Set the first response and resolution limits under Set SLA Targets.
9. Enter or select the following information to add an Alert:
   1. Priority - Select the SLA Priority (e.g., Low, Medium, High, or Urgent) for which the alert should be triggered.
   2. Users - Select the Users (such as Assigned to User, Co-owner, or a specific User) who must be alerted when the SLA is about to be violated. 
   3. Alert Time - Specify the time before or after the SLA is violated when the email alert should be triggered.
   4. Email Template - Select the email template to be used for the alert notification. 
10. Click Save.