(FreeForm node) creates free forms including with DataGroup selections.

1. Add a FreeForm node to the Graph. The default ByVertices technique is active.
2. Add four Point nodes to the Graph. The default ByCartesianCoordinates technique is automatically defined for both points. Keep them as is.
3. Click next to the Vertices port. Position the cursor inside the expression field, press and hold <Ctrl>, and select the four points in a counter clockwise order. The expression generated is {point02, point03, point04, point01}, and wires are drawn to the point nodes' overall nodes.
4. Complete the remaining inputs to match the illustration below.