En fait c'est parce qu’il n'y a pas que "1 dispenser" il y en a plusieurs : upward dispenser, southward dispenser etc...
A ma connaissance, soit tu les check tous:
on right click on upward dispenser:
if name of player's tool is "&fCarte Bancaire de %player%":
open virtual chest inventory with size 4 named "&6Distributeur Tech'Banque" to player
cancel event
on right click on southward dispenser:
if name of player's tool is "&fCarte Bancaire de %player%":
open virtual chest inventory with size 4 named "&6Distributeur Tech'Banque" to player
cancel event
#etc...
Soit tu détecte le type du block
on right click:
if "%type of event-block%" contains "dispenser":
if name of player's tool is "&fCarte Bancaire de %player%":
open virtual chest inventory with size 4 named "&6Distributeur Tech'Banque" to player
cancel event