Credit to Epoque for the idea
Download : 1.4 plugin
while reading the description,
allow list all the items in your inventory, or only show part of it
with version 1.2 onwards, now can list out only certain types of items
for example inventoryselect(ITF_WEAPON|ITF_ARMOR) only shows equipments available in your inventory
and inventoryselect(ITF_CARD) only shows card available in your inventory
no, don't do stuffs like adding item temporary, player can find ways to dup item
tested with