How to send notification from server script using gs.eventQueue ServiceNow

1. Go to the registry on left navigation bar
2. Create new event: x_email_trigger
3. Add below eventQueue code in server script:

gs.eventQueue('x_email_trigger',current,current.number,gs.getUserName());

x_email_trigger: event name

current- Glide Object

current.number- parm1

gs.getUserName()- parm2