function Player:sendBossRaidWindow(raids)
	local function buttonCallback(button, choice)
	-- Modal window functionallity
		if button.text == "Confirm" then
		-- Start Checks
			-- Check if the system is on cooldown.
			if Game.getStorageValue(raids.raidStorage) > os.time() then
				self:sendTextMessage(MESSAGE_EVENT_ADVANCE, "You must wait ".. showTimeLeft(Game.getStorageValue(raids.raidStorage) - os.time(), true) ..", before you can start another boss raid.")
			return false
			end

			-- Check if the player has enough enough
			if self:getMoney() < cost then
				self:sendTextMessage(MESSAGE_EVENT_ADVANCE, raids.moneyMsg)
			return false
			end
		-- End Checks

		self:removeMoney(raids.cost)
		self:getPosition():sendMagicEffect(CONST_ME_FIREWORK_YELLOW)
		Game.startRaid(raids[choice.id].raid)
		Game.setStorageValue(raids.raidStorage, os.time() + raids.cooldown)
		return true
	end
end

-- Modal window design
	local window = ModalWindow {
		title = raids.mainTitle, -- Title of the modal window
		message = raids.mainMsg, -- The message to be displayed on the modal window
	}

	-- Add buttons to the window (Note: if you change the names of these you must change the functions in the modal window functionallity!)
	window:addButton("Confirm", buttonCallback)
	window:addButton("Cancel")

	-- Set what button is pressed when the player presses enter or escape
	window:setDefaultEnterButton("Confirm")
	window:setDefaultEscapeButton("Cancel")

	-- Add choices from the action script
	for i = 1, #raids do
	local o = raids[i].raid
		window:addChoice(o)
    end

	-- Send the window to player
	window:sendToPlayer(self)
end