Steps to register UUI on ONAP Portal
Step 1. Login as demo user on ONAP Portal
Step 2. From menu on the left pane, choose Application Onboarding, and fill in UUI url http://{{openomulti_service_vm_ip}}/iui/usecase-ui/#/commonusecaseui/ which is published url on MSB IUI service with extra "/" at the end. Communication Inbox, Key and Secret are assigned by system automatically, and you don't need to input.
Step 3. From menu, choose Application Catalog and check UUI app
Step 4. Go to Home from menu, and you should see UUI app