qt6-bb10/qtdeclarative/tests/auto/qml/qqmlcontext/data/ContentComponent.qml

import QtQuick 2.0

Item {
    property int count: 0
    property bool hasValidParent: parent && parent.children.length != 0

    onHasValidParentChanged: {
        if (++count > 1) parent.doSomething()
    }
}