--[[
THIS PART IS OPTIONAL IF YOU WANT TO RUN THE SCRIPT YOURSELF!!

1. Place a "ScreenGui" inside of StarterGui
2. Inside of "ScreenGui", place a "TextButton"
3. Inside of "TextButton", insert a "LocalScript"
(these steps center the gui)
4. Set the anchor point of the TextButton to 0.5,0.5
5. Set the position of the TextButton to {0.5, 0, 0.5, 0}

]]

-- the getMessage() function
function getMessage()
    -- This will pick a random number 1-3
    local number = math.random(1,3)

    if number == 1 then
        return "Hello World!"
    elseif number == 2 then
        return "Testing"
    elseif number == 3 then
        return "Functions are useful"
    end
end

-- the clickEvent() function
function clickEvent()
    -- get the message and save the result to a variable
    local message = getMessage()

    -- update the text of the button with the message
    script.Parent.Text = message
    -- print the message as well
    print(message)
end

-- Within TextButton, there is an "event" that is fired everytime the button is clicked
-- Using :Connect(), we can tap into that event, and execute a function we give it
-- "Everytime TextButton is clicked, execute clickEvent()"
script.Parent.MouseButton1Click:Connect(clickEvent)