Tree item attach a grid

Suite and Optimus Suite 5
#1

I know a grid cell item which can attach a grid.

I want to ask a tree cell item which can attach a grid ?

#2

There is a Prof component TreeGrid:
docs.dhtmlx.com/doku.php?id=dhtmlxtreegrid:toc
dhtmlx.com/docs/products/dht … d/samples/