Text {
    id: exampleText
    text: "let's fade me out"
    opacity: 0
    Behavior on opacity { PropertyAnimation { duration: 5000; easing.type: Easing.InOutQuart} }
}
Timer {
    id: thisChangesthePropertyAtSomePoint
    running: true
    interval: 1000
    onTriggered: { exampleText.opacity = 1;}
}