Thank you, your answer!I hope that through belt (vlax-ldata-put) extended data entity (3DSOLID), according to each different classification, the number of statistics.
(defun C:QQ ( / )
(vl-load-com)
(SETQ EN (vlax-ename->vla-object (car (entsel ))))
(PRINC (vlax-ldata-get EN "GG"))
(PRINC (vlax-ldata-get EN "ZG"))
(PRINC)
)
The original file as follows