Creating a Groovy extension script for alerts
        
         
          - Create an extension script.
           
            
             - Script Type should be set to alerts.
 
             - Class must extend from AlertsRowSourceScriptable.
 
            
             
          - Create an Alert Definition
           
            
             - Set 
EXTENSIONSCRIPT as the Source Type. 
             - For Extension Script, select the extension script that you created in the previous set.
 
            
             
          - Create a task in JS to point to the above alert definition.
           
            
             - For Task Type, select  from the list.
 
             - Select Parameters for the task and then select the alert definition as Alert Type.
 
            
             
          - Perform the task and confirm that the task has been successfully completed.
 
          - Check the messages. There should be a message generated as per the script requirement.