Ankur Bawiskar
Tera Patron

@Mad3 

check these links

How to add a record producer link in the header of Employee Center or Service Portal ? 

How to create multilevel menu in Service Portal Header Menu 

If my response helped please mark it correct and close the thread so that it benefits future readers.

Regards,
Ankur
Certified Technical Architect  ||  10x ServiceNow MVP  ||  ServiceNow Community Leader