In line 05 there is mem.addQuery... why did you use 'group'.
It says "of all the records in this table, I only want the ones where the group field is the value of groupID (the same as the group in your support group field earlier.)
In line 08...I know you have to push the email members to the array but.. how do you know it will be mem.user.email.toString() ? Like how do you know u have to use user and email?
This is a concept known as dot-walking. It's a way to quickly traverse the relationships of reference fields and tables. I'm building an array of strings (email addresses.) By default, all fields are represented in memory as Javascript objects so I'm converting the email field to a string. That field is coming from the user record that is referenced by the mem record. mem.user is a sys_id to a record on sys_user. sys_user holds a user's profile details. I want the email address. That's what mem.user.email.toString() is doing.
In line 12... could you explain that line to me?
That's the line that actually tells the event engine to queue up the event "catalog.opening.dns.notification". The second parameter is the current record (which is the request item details, the third is your list of email address (converted from an array to a comma separated string), and the fourth is empty.
Events and Email Notifications - ServiceNow Wiki
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