command /sell [<text>] [<text>]:
    trigger:
        if arg 1 is set:
            if arg 2 is set:
                if arg 1 is "cobblestone":
                    execute console command "pex user %player% add essentials.sell.*"
                    execute console command "sudo %player% sell %arg-1% %arg-2%"
                    execute console command "pex user %player% remove essentials.sell.*"
                else:
                    send "&cInvalid item! Please choose one of the following: cobblestone"
            else:
                send "&cPlease select the amount of %arg-1% &cto be sold! "

        else:
            send "&CPlease select an item to be sold!"