I was curious about this so I tested it on my systems. Path refers to the part after your domain. So, if your settings page is available under https://homeassistant.mydomain.com/config/dashboard (check with your desktop or mobile browser to get the exact URL, then you would use "/config/dashboard" as your path setting. Same for any lovelace dashboard, check the URL in your browser, if it is https://homeassistant.mydomain.com/lovelace-mobile/0, then use "/lovelace-mobile/0" as the path argument. lovelace-mobile is the dashboard part, 0 corresponds to the tab.
Hope this helps!