paint on rectangle using mouse area qml(Qt-5 ubuntu)

To paint the rectangle in qml using mouse area. I dont know how to use drag to paint the rectangle. Here is the code i am working with

Code:

---

Rectangle {
     id: container
     width: 600; height: 200
 
 
         MouseArea {
             anchors.fill: parent
             drag.target:
             drag.axis: 
 
         }
 }

---

Use a Canvas element.