Unfortunately the document you reference leaves out some very important information. Below is page 16 from the referenced document. It leaves off explaining how to fill in the data farther down. Page 16Once the dialog box is open, the user clicks on ...
The Ping-Pong example suggested by Tesla will work. I am now waiting for ST to release the WL33 nucleo board along with a CubeWL33 firmware package. Its release is scheduled for q4 of this year I think.