works

command /testrandom:
    permission: op
    trigger:
        if {randomdrops::*} does not contain player's tool:
            send "&a{randomdrops::*} does not contain that item!"
            wait 2 ticks
            send "&aMake sure to not add full stacks of items to it!"
            add 1 of player's tool to {randomdrops::*}
        else:
            send "&a{randomdrops::*} Already contains that item!"

command /randomremove:
    permission: op
    trigger:
        remove player's tool from {randomdrops::*}
        send "&aYou have successfuly removed %player's tool% from {randomdrops::*}!"
command /randomlist:
    permission: op
    # you can insert whatever perm you like there
    trigger:
        send "&cThis is the list of items you can get!"
        send "%{randomdrops::*}%"
command /randomtoggle:
    trigger:
        if {droptoggle::%player's uuid%} is true:
            set {droptoggle::%player's uuid%} to false
            send "&cYou have set random drops to false" to player
        else:
            set {droptoggle::%player's uuid%} to true
            send "&aYou have set Random drops to true!"
command /randomadd:
    permission: op
    permission message: &fUnknown command. Type "/help" for help.
    trigger:
        add 1 of player's tool to {randomdrops::*}
        send "&aYou have added %player's tool% to the random drops!"
every 10 seconds:
    loop all players:
        make loop-player execute "/random reload"
command /random <text>:
    trigger:
        if arg-1 is set:
            if arg-1 is "reload":
                if {droptoggle::%player's uuid%} is true:
                    set {drop::%player's uuid%} to random element out of {randomdrops::*}
                    give player {drop::%player's uuid%}
                else:
                    stop