local player = game.Players.LocalPlayer
	local char = player.Character
	local backpack = player.Backpack

	local function getf3x()
		for _, v in ipairs(backpack:GetChildren()) do
			if v:FindFirstChild("SyncAPI") or v:FindFirstChildOfClass("BindableFunction") then
				return v
			end
		end
		for _, v in ipairs(char:GetChildren()) do
			if v:FindFirstChild("SyncAPI") or v:FindFirstChildOfClass("BindableFunction") then
				return v
			end
		end

		return nil
	end

	-- get all info

	local f3x = getf3x()
	if not f3x then
		warn("you dont have f3x skid")
	end
	local syncapi = f3x.SyncAPI
	local serverendpoint = syncapi.ServerEndpoint or syncapi:FindFirstChildOfClass("RemoteFunction") and syncapi:FindFirstChildOfClass("RemoteFunction"):FindFirstChildOfClass("Script")
	
	local function syncmaterial(part,mate)
		local args = {
			[1] = "SyncMaterial",
			[2] = {
				[1] = {
					["Part"] = part,
					["Material"] = mate
				}
			}
		}
		serverendpoint:InvokeServer(unpack(args))
	end
	
	local function slippery()
		for i, v in ipairs(workspace:GetDescendants()) do
			if v:IsA("BasePart") and v.Parent:FindFirstChildOfClass("Humanoid") or v:IsA("UnionOperation") and v.Parent:FindFirstChildOfClass("Humanoid") then
				syncmaterial(v, Enum.Material.Air)
			end
		end
	end
	
	slippery()