CodesScript

local textBox = script.Parent

local code = "Secret Code 123"

local codeRedeemed = script.Parent.CodeRedeemed

local success = script.Parent.SuccessAudio
local invalid = script.Parent.ErrorAudio

textBox.FocusLost:Connect(function(entered, input)

    if not entered then return end

    local codeEntered = textBox.Text


    if codeEntered == code then

        if codeRedeemed.Value == false then

            codeRedeemed.Value = true

            textBox.Text = "Code successfully redeemed!"
            success:Play()

            local reward = game.ReplicatedStorage.ClassicSword:Clone()
            reward.Parent = game.Players.LocalPlayer.Backpack

        else

            textBox.Text = "Already redeemed!"
            invalid:Play()
        end

    else

        textBox.Text = "Invalid code!"
        invalid:Play()
    end
end)