How to use signals and slots only in qml between parent and child?

Question

QML

How to use signals and slots only in qml between parent and child?

Answer 1

something like this:

// Child.qml
Item {
    id: rootItem
    signal sendMessage(string msg)
//...
    rootItem.sendMessage("bla bla bla")
//...
}

// Parent.qml
Item {
    Child {
        onSendMessage: {
        // используем переменную msg для наших целей.
        }
    }
}