Nested List View in QML

  • 878a5454-7af3-448b-9ab7-d2d9a1bb8ba2-image.png
    How Can I Get the reasult as above in picture using treeview in qml.
    I had blown my mind last day but still i am stuck. I had tried creating list model class but everything goes above my mind. If possible please teach me with example file