Modified Script to fling (KEYLESS)

local Workspace = game:GetService("Workspace")
local Debris = game:GetService("Debris")
local GuiService = game:GetService("GuiService")
local strength = 470
local fling = false

-- Create toggle button
local ScreenGui = Instance.new("ScreenGui")
ScreenGui.Parent = game.Players.LocalPlayer.PlayerGui
local ToggleButton = Instance.new("TextButton")
ToggleButton.Size = UDim2.(, , , )
ToggleButton.Position = .(, -, , -) 
ToggleButton.Text = 
ToggleButton.BackgroundColor3 = .(, , ) 
ToggleButton.Parent = ScreenGui

ToggleButton.MouseButton1Click:(()
    fling =  fling
    ToggleButton.Text = fling    
    ToggleButton.BackgroundColor3 = fling  .(, , )  .(, , ) 
)


Workspace.ChildAdded:((model)
     model.Name ==  
         partInfo = model:()
          partInfo   
         weld = partInfo:()
          weld   weld.Part1   
         part = weld.Part1
         velocity = .()
        velocity.Parent = part
        model:():(()
              model.Parent 
                 fling 
                    velocity.MaxForce = .(, , )
                    velocity.Velocity = Workspace.CurrentCamera.CFrame.LookVector * strength
                
                    velocity.MaxForce = .zero
                
                Debris:(velocity, )
            
        )
    
)