Result of a 6 hour mini hackathon hosted by WIGO4IT (Pizza's Included) with basically no knowledge about U-PORT.
Install the uport app from the appstore on your mobile phone.
Just open the municpality.html in your web-browser from the file system. Connect, login and then attest that the person is allowed to use a stadspas.
Then open the stadspas.html in your web-browser from the file system. Connect, login but this time verify that the person actually has a stadspas.
You can install U-PORT from the login screen for either Android or IPhone.