How to make a TextGuiFuction

Hey guys! Today im going to show you how to "Script" on Roblox. Today your learning how to make a "Text Gui Function"
Before you start, You need to make sure that you type this text EXACTLY how  i typed it here or the script will not work. And if you do not know were to go to do the scripts, then here is the game link : https://web.roblox.com/games/843468296/Void-Script-Builder-Place-1


*Note: if this does not work then im sorry


Type this: wait(2)
local Player = game:GetService("Players").slowxxlittleplayerxx   <----- your Roblox username here
bbg = Instance.new("BillboardGui",h)
bbg.Size = UDim2.new(0,200,0,50)
bbg.StudsOffset = Vector3.new(0,2,0)
bbgTl = Instance.new("TextLabel",bbg)
bbgTl.BackgroundTransparency = 1
bbgTl.Size = UDim2.new(10,0,1,0)
bbgTl.Position = UDim2.new(-4.5,0,0,0)
bbgTl.Font = "Cartoon"
bbgTl.Text = " "
bbgTl.TextSize = 30
bbgTl.TextStrokeColor3 = Color3.fromRGB(255,160)
bbgTl.TextColor3 = Color3.fromRGB(255,255,255)
bbgTl.TextStrokeTransparency = 0
bbgTl.TextWrapped = true
plr.Chatted:connect(function(msg)
    bbgTl.Text = msg
    wait(5)
    if bbgTl.Text == msg then
        bbgTl.Text = " "
    end
end)