How to add more Command Bar buttons?

 From:  Frenchy Pilou (PILOU) 20 Jul 2019  (2 of 13) 
9434.2 In reply to 9434.1 
Take a look here (in French before i refind the original! (If existing) ;)

http://moiscript.weebly.com/ajouter-une-icocircne.html

EDITED: 20 Jul 2019 by PILOU