Like this;
command /ec:
trigger:
open chest with 1 row named “&bEnderchest Page 1” to player
format slot 8 of player with barrier named “&bNext page” to run:
make player execute command “/ec2”
command /ec2:
trigger:
open players ender chest to player
**THIS WONT WORK**
but just do it like that
Adddon : Tuske