@didier bur said:
Hi Sonia,
Yes there is a PDF help file.
See the Help button in the lower-right corner of the dialog ? Here it is[attachment=0:1oj5ptx2]<!-- ia0 -->csHelp.jpg<!-- ia0 -->[/attachment:1oj5ptx2]
Latest version of Compo Spray is available here: https://extensions.sketchup.com/extension/213a8e60-208f-4b6d-95ff-ab367c09a959/compo-spray
Thanks!