Isodraw toolbar link to another program?

Found this.

https://www.ptc.com/support/-/media/support/refdocs/Arbortext_IsoDraw_CADprocess/7,-d-,4/isod_mlref.pdf?sc_lang=en

Starts an external application.
Syntax
LAUNCH "app" "cmd"
app (string) Filename and path to the external application to
be started.
cmd (string) Parameters to be passed to the application on
start-up.
If the application starts, the LAUNCH command returns the application’s process
ID. If the application fails to start, the LAUNCH command returns zero.
Example
# Open Macro-Logfile with Notepad
MACRO Show_Logfile
LAUNCH "C:\WINDOWS\notepad.exe" "C:\ ... \macro.log"
END MACRO

This is my macro  just does not seem to work

Macro guide_pdf
LAUNCH "C:\Program Files\Adobe\Acrobat DC\Acrobat\Acrobat.exe" "Z:\network drive\Guide\arbortext_guide.pdf" .

Bryon
End Macro