pragma Strict import QtQml QtObject { id: self property url c: "http://aabbcc.com" property url d: "http://ccbbaa.com" property url e: "http:" + "//a112233.de" Component.onCompleted: { c = "http://dddddd.com"; self.d = "http://aaaaaa.com"; myUrlChanged(c) } signal myUrlChanged(urlParam: url) onMyUrlChanged: (urlParam) => { objectName = urlParam; } }