Admin advert command for Phase Four (lua)

I have been working on an admin advert plugin and what it does is, whenever you type “/adminvert <text>”, it comes back anonymously as “[Administration] <text>”
As an example, I type “/adminvert Do not park you cars in the street, or they will be removed” it comes back as “[Administration] Do not park you cars in the street, or they will be removed” as easy as it sounds, can someone help? here is the code I have so far


--[[
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	without permission of its author (kurozael@gmail.com).
--]]

local Clockwork = Clockwork;

local COMMAND = Clockwork.command:New("adminvert");
COMMAND.tip = "Sends a message anonymously from administration";
COMMAND.text = "<string Text>";
COMMAND.flags = CMD_DEFAULT;
COMMAND.access = "o";
COMMAND.arguments = 1;

-- Called when the command has been run.
function COMMAND:OnRun(player, arguments)
	Clockwork.chatBox:Add(nil, player, "adminvert",  table.concat(arguments, " "));
end;

COMMAND:Register();


local Clockwork = Clockwork;

local COMMAND = Clockwork.command:New("Adminvert");
COMMAND.tip = "Sends a message anonymously from administration";
COMMAND.text = "<string Msg>";
COMMAND.access = "o";
COMMAND.arguments = 1;

-- Called when the command has been run.
function COMMAND:OnRun(player, arguments)
	local msg = table.concat(arguments, " ")
	local allplayers = player.GetAll()
	Clockwork.chatBox:SendColored(allplayers, Color(0, 180, 216), "[Administration] ", Color(255, 255, 255), msg)
end;

COMMAND:Register();