Purpose: How to add a header menu to a Portal Experience in ServiceNow UI Builder. The header menu is displayed at the top of every page in a Portal Experience.

1. Open Experience in UI Builder
2. Click “Menu”
3. Click “Edit Experience Settings”
4. Click “Navigation and Menus”
5. Click “Advanced Footer Settings”
   • Note: Currently the Advanced Navigation Menu Settings link is broken
6. Complete UX Page Property form as follows:
   • Page: current Portal Experience name
   • Name: chrome_menu
   • Route: leave blank
   • Description: any text
   • Value:

       [
           {
               "value": {
               "label": {
                   "translatable": true,
                   "message": "Knowedge"
               }
               },
               "children": {
               "action": {
                   "label": {
                   "translatable": true,
                   "message": "Report an issue"
                   },
                   "type": "route",
                   "rightIcon": "chevron-right-fill",
                   "value": {
                   "route": "catalog",
                   "fields": {
                       "sysId": "3f1dd0320a0a0b99000a53f7604a2ef9"
                   }
                   }
               },
               "items": [
                   {
                   "value": {
                       "label": {
                       "translatable": true,
                       "message": "Categories"
                       }
                   },
                   "children": {
                       "action": {
                       "label": {
                           "translatable": true,
                           "message": "Browse All"
                       },
                       "type": "route",
                       "rightIcon": "chevron-right-fill",
                       "value": {
                           "route": "article",
                           "fields": {
                           "sysId": "3020c9b1474321009db4b5b08b9a712d"
                           }
                       }
                       },
                       "items": [
                       {
                           "value": {
                           "label": {
                               "translatable": true,
                               "message": "IT"
                           },
                           "type": "route",
                           "value": {
                               "route": "article",
                               "fields": {
                               "sysId": "3020c9b1474321009db4b5b08b9a712d"
                               }
                           }
                           }
                       },
                       {
                           "value": {
                           "label": {
                               "translatable": true,
                               "message": "Benefits"
                           },
                           "type": "route",
                           "value": {
                               "route": "article",
                               "fields": {
                               "sysId": "3020c9b1474321009db4b5b08b9a712d"
                               }
                           }
                           }
                       }
                       ]
                   }
                   }
               ]
               }
           }
       ]
   

7. Click Submit
8. Close the current browser tab to return to the UI Builder browser tab
9. Close portal settings
10. Click “Open” to test page

Special thanks to Ninja Bytes