Example notification

local screenGui = Instance.new("ScreenGui")
screenGui.Parent = game.Players.LocalPlayer:WaitForChild("PlayerGui")

local mainFrame = Instance.new("Frame")
mainFrame.Size = UDim2.new(0, 200, , )
mainFrame.Position = .(, -, , -)
mainFrame.BackgroundColor3 = .(, , )
mainFrame.BackgroundTransparency = 
mainFrame.Parent = screenGui

 frameCorner = .()
frameCorner.CornerRadius = .(, )
frameCorner.Parent = mainFrame

 notificationLabel = .()
notificationLabel.Size = .(, , , )
notificationLabel.Position = .(, , , )
notificationLabel.BackgroundTransparency = 
notificationLabel.TextColor3 = .(, , )
notificationLabel.Text = 
notificationLabel.TextScaled = 
notificationLabel.Parent = mainFrame

 creditsLabel = .()
creditsLabel.Size = .(, , , )
creditsLabel.Position = .(, , , )
creditsLabel.BackgroundTransparency = 
creditsLabel.TextColor3 = .(, , )
creditsLabel.Text = 
creditsLabel.TextScaled = 
creditsLabel.Parent = mainFrame

 progressBar = .()
progressBar.Size = .(, , , )
progressBar.Position = .(, , , )
progressBar.BackgroundColor3 = .(, , )
progressBar.Parent = mainFrame

 progressBarCorner = .()
progressBarCorner.CornerRadius = .(, )
progressBarCorner.Parent = progressBar

 tweenService = :()
 tweenInfo = TweenInfo.(, .EasingStyle.Linear)

 goal = {}
goal.Size = .(, , , )

 tween = tweenService:(progressBar, tweenInfo, goal)
tween:()

tween.Completed:(()
     slideTweenInfo = TweenInfo.(, .EasingStyle.Linear)
     slideGoal = {}
    slideGoal.Position = .(, , , -)

     slideTween = tweenService:(mainFrame, slideTweenInfo, slideGoal)
    
     fadeGoal = {}
    fadeGoal.BackgroundTransparency = 

     fadeTween = tweenService:(mainFrame, slideTweenInfo, fadeGoal)
    
    slideTween:()
    slideTween.Completed:(()
        fadeTween:()
    )
    
    fadeTween.Completed:(()
        mainFrame:()
    )
)