local NPC = workspace.Dummy
function getClosestPlayer()
        local closest_player, closest_distance = nil, 200
        for i, player in pairs(workspace:GetChildren()) do
                if player:FindFirstChild("Humanoid") and player ~= NPC then
                        local distance = (NPC.PrimaryPart.Position - player.PrimaryPart.Position).Magnitude
                        if distance < closest_distance then
                                closest_player = player
                                closest_distance = distance
                        end
                end
        end
        return closest_player, closest_distance
end
while true do
        local player, distance = getClosestPlayer()
        if player and distance > 10 then
                NPC.Humanoid:MoveTo(player.PrimaryPart.Position)
                local stopped 
                NPC.Humanoid.MoveToFinished:Connect(function()
                        stopped = true
                end)
                repeat 
                        local distance = (NPC.PrimaryPart.Position-player.PrimaryPart.Position).Magnitude
                        if distance < 10 then
                                NPC.Humanoid:MoveTo((NPC.HumanoidRootPart.CFrame*CFrame.new(0,0,-3)).p)
                                break
                        end
                        wait()
                until stopped == true
        else
                wait(1)
        end
        
end