When i looked at Roblox's youtube channel explanation of pathfinding i didnt really under stand i hope one of you can explain it better to me. This is what i learned so far

path = game.GetService("PathfindService")
:ComputeRawPathAsync(game.workspace.start--Where Enemy Npc is going to be
  ,game.workspace.finish) --where the player is going to be

together without the tags is

path = game.GetService("PathfindService"):ComputeRawPathAsync(game.workspace.start, game.workspace.finish)