Hi Alls,
I forgot to find entity name from a point, look this code
(setq ss1 (osnap (getpoint "\nPick end object: ") "endp")) ; (4578.58 3345.75 0.0)
(setq ent ("bla..bla from" ss1))
(setq sse (entget ent))
(setq sp (cdr (assoc 10 sse)))
(setq ep (cdr (assoc 11 sse)))