Login button shortcode Authentication URL Shortcode https://idp.iamfas.belgium.be/fas/oauth2/authorize?response_type=code&scope=openid%20profile%20egovnrn&client_id=Site_web_logement.brussels&state=d424958807109d9bc7a7e353ec1dd932&redirect_uri=https%3A%2F%2Flogement.brussels%2Fwp-admin%2Fadmin-ajax.php%3Faction%3Dopenid-connect-authorize