Jasonc thanks for your reply I have found detail list of events with their Severity levels by the help of EMC chat support , they emailed me one document named EMC® Symmetrix® VMAX® 20K/VMAX® Series Product Guide P/N 300-008-603 REV  on page # 99 their is a detail list of events with their codes and severity levels [IMAGE] 
 Hi, We are trying to trap the alerts via Netcool , Can anyone tell which alerts should be dailed home or is there any document which identify the Severity of errors for VMAX 20k 
what type of errors Should be dailed home for EMC support?