Bring specific named part DIY script (read description)

-- Services
local Players = game:GetService("Players")
local RunService = game:GetService("RunService")
local UserInputService = game:GetService("UserInputService")
local Workspace = game:GetService("Workspace")

-- White list part name
local WHITELIST = {
	part = true,
	part2 = true
}

-- GUI
local Gui = Instance.new("ScreenGui")
Gui.Name = "Gui"
Gui.Parent = gethui()

local Main = Instance.new("Frame")
Main.Size = UDim2.new(0, 320, 0, 230)
Main.Position = UDim2.new(0.5, -160, 0.5, -90)
Main.BackgroundColor3 = Color3.fromRGB(30,30,35)
Main.Active = true
Main.Draggable = true
Main.Parent = Gui
Instance.new("UICorner", Main).CornerRadius = UDim.new(0,8)

local Label = Instance.new("TextLabel")
Label.Size = UDim2.new(1,0,0,40)
Label.BackgroundColor3 = Color3.fromRGB(40,40,45)
Label.Text = "White list BP V3 by GPT"
Label.TextSize = 16
Label.TextColor3 = Color3.new(1,1,1)
Label.Font = Enum.Font.GothamBold
Label.Parent = Main
Instance.new("UICorner", Label)

local Box = Instance.new("TextBox")
Box.Size = UDim2.new(0.85,0,0,40)
Box.Position = UDim2.new(0.075,0,0.3,0)
Box.PlaceholderText = "Player here"
Box.BackgroundColor3 = Color3.fromRGB(45,45,50)
Box.TextColor3 = Color3.new(1,1,1)
Box.Parent = Main
Instance.new("UICorner", Box)

local Button = Instance.new("TextButton")
Button.Size = UDim2.new(0.85,0,0,45)
Button.Position = UDim2.new(0.075,0,0.5,0)
Button.Text = "Bring | Off"
Button.BackgroundColor3 = Color3.fromRGB(0,120,215)
Button.TextColor3 = Color3.new(1,1,1)
Button.Parent = Main
Instance.new("UICorner", Button)

-- Vars
local LocalPlayer = Players.LocalPlayer
local targetPart
local selectedPlayer

-- Network Table
getgenv().Network = {
	BaseParts = {},
	BasePartsMap = {},
	Velocity = Vector3.new(30,30,30)
}

-- Attachment Center
local Folder = Instance.new("Folder", Workspace)
local Part = Instance.new("Part", Folder)
Part.Anchored = true
Part.Transparency = 1
Part.CanCollide = false
local Attachment1 = Instance.new("Attachment", Part)

-- Cleanup
local function CleanupPart(v)
	if not v then return end

	if v:FindFirstChild("BH_Align") then v.BH_Align:Destroy() end
	if v:FindFirstChild("BH_Attachment") then v.BH_Attachment:Destroy() end
	if v:FindFirstChild("BH_Processed") then v.BH_Processed:Destroy() end

	pcall(function()
		v.AssemblyLinearVelocity = Vector3.zero
		v.AssemblyAngularVelocity = Vector3.zero
	end)
end

-- Retain
function Network.RetainPart(p)
	if not p or Network.BasePartsMap[p] then return end
	Network.BasePartsMap[p] = true
	table.insert(Network.BaseParts, p)
end

-- ForcePart
local function ForcePart(v)
	if not v:IsA("BasePart") or v.Anchored then return end
	if v:FindFirstChild("BH_Align") then return end

	local tag = Instance.new("BoolValue", v)
	tag.Name = "BH_Processed"

	local att = Instance.new("Attachment", v)
	att.Name = "BH_Attachment"

	local align = Instance.new("AlignPosition", v)
	align.Name = "BH_Align"
	align.Attachment0 = att
	align.Attachment1 = Attachment1
	align.MaxForce = 3000 -- force power
	align.Responsiveness = 20

	v.CanCollide = false
	Network.RetainPart(v)
end

-- Heartbeat cleaning every 10sec
task.spawn(function()
	while true do
		task.wait(10) -- seconds

		sethiddenproperty(LocalPlayer, "SimulationRadius", 30) -- range to bring parts

		for i = #Network.BaseParts, 1, -1 do
			local p = Network.BaseParts[i]

			-- clean off despawned parts
			if not p or p.Parent == nil then
				Network.BasePartsMap[p] = nil
				table.remove(Network.BaseParts, i)
			else
				p.Velocity = Network.Velocity
			end
		end
	end
end)

local function IsTarget(v)
	return v:IsA("BasePart") and WHITELIST[v.Name]
end

-- Enable / Disable
local active = false
local descConn
local renderConn

local function Enable()
	if active or not targetPart then return end
	active = true
	Button.Text = "Bring | On"

	for _, v in ipairs(Workspace:GetDescendants()) do
		if IsTarget(v) then
			ForcePart(v)
		end
	end

	descConn = Workspace.DescendantAdded:Connect(function(v)
		if IsTarget(v) then ForcePart(v) end
	end)

	renderConn = RunService.RenderStepped:Connect(function()
		if targetPart then
			Attachment1.WorldCFrame = targetPart.CFrame
		end
	end)
end

local function Disable()
	active = false
	Button.Text = "Bring | Off"

	if descConn then descConn:Disconnect() end
	if renderConn then renderConn:Disconnect() end

	for i = #Network.BaseParts, 1, -1 do
		local p = Network.BaseParts[i]
		CleanupPart(p)
		Network.BasePartsMap[p] = nil
		table.remove(Network.BaseParts, i)
	end
end

-- Player finder
local function getPlayer(name)
	name = name:lower()
	for _, p in ipairs(Players:GetPlayers()) do
		if p.Name:lower():find(name) then
			return p
		end
	end
end

Box.FocusLost:Connect(function(enter)
	if enter then
		selectedPlayer = getPlayer(Box.Text)
		if selectedPlayer then
			Box.Text = selectedPlayer.Name
		end
	end
end)

Button.MouseButton1Click:Connect(function()
	if not selectedPlayer then return end

	local char = selectedPlayer.Character or selectedPlayer.CharacterAdded:Wait()
	targetPart = char:FindFirstChild("HumanoidRootPart")

	if active then
		Disable()
	else
		Enable()
	end
end)