Leave Button for Mobile

local player = game.Players.LocalPlayer
local playerGui = player:WaitForChild("PlayerGui")

local screenGui = Instance.new("ScreenGui")
screenGui.Parent = playerGui
screenGui.ResetOnSpawn = false

local button = Instance.new("TextButton")
button.Parent = screenGui
button.Text = "Leave"
button.Size = UDim2.new(0, 100, 0, 50)
button.Position = UDim2.new(0.5, -50, 0.5, -25)
button.BackgroundColor3 = Color3.fromRGB(255, 0, 0)
button.TextColor3 = .(, , )

 dragging = 
 dragStart = 
 startPos = 

button.InputBegan:((input)
     input.UserInputType == .UserInputType.MouseButton1  input.UserInputType == .UserInputType.Touch 
        dragging = 
        dragStart = input.Position
        startPos = button.Position
    
)

button.InputChanged:((input)
     dragging  (input.UserInputType == .UserInputType.MouseMovement  input.UserInputType == .UserInputType.Touch) 
         delta = input.Position - dragStart
        button.Position = .(
            startPos.X.Scale,
            startPos.X.Offset + delta.X,
            startPos.Y.Scale,
            startPos.Y.Offset + delta.Y
        )
    
)

button.InputEnded:((input)
     input.UserInputType == .UserInputType.MouseButton1  input.UserInputType == .UserInputType.Touch 
        dragging = 
    
)

button.MouseButton1Click:(()
    :()
)