on right click holding a diamond sworld:
if name of tool of player contains "&3Menu&dPrincipal":
open chest with 1 row named "&3Menu&dPrincipal" to player
6 row= nombres de lignes
name of tool of player contains "": Le nom de l'objet (Si c'est une épée sans nom, ca ne fonctionne pas, retire cette ligne si tu ne veux pas de nom!
Apres pour mettre un truc:
set slot 3 of current inventory of player to lava bukket named "Build Uhc" [make player execute "/1vs1 join BuildUhc"]
set slot 4 of current inventory of player to potion of heal named "NoDeBuff"
set slot 5 of current inventory of player to potion of poison named "DeBuff"
set slot = Le slot dans le GUI