<div id="diagram"></div>
<script>
  $("#diagram").kendoDiagram({
    shapes: [{
      visual: function() {
        var group = new kendo.dataviz.diagram.Group();
        var polyline = new kendo.dataviz.diagram.Polyline({
          points: [{x: 0, y: 0}, {x: 50, y: 0}, {x: 100, y: 100}]
        });
        group.append(polyline);
        
        // Get current points
        var currentPoints = polyline.points();
        console.log("Current points:", currentPoints);
        
        // Set new points
        polyline.points([{x: 10, y: 10}, {x: 60, y: 10}, {x: 110, y: 110}]);
        
        return group;
      }
    }]
  });
</script>