You can ask for help - I believe it will be free 
here:
https://forums.autodesk.com/t5/visual-lisp-autolisp-and-general/bd-p/130
But don't forget to mention that you need AutoLISP routine for AutoCAD for Mac, so no Visual Lisp allowed as AutoCAD for Mac doesn't support Visual Lisp functions.
here:
https://forums.autodesk.com/t5/visual-lisp-autolisp-and-general/bd-p/130
But don't forget to mention that you need AutoLISP routine for AutoCAD for Mac, so no Visual Lisp allowed as AutoCAD for Mac doesn't support Visual Lisp functions.