Can someone Fix This lua ?

[TreeV2]

client.set_event_callback("on_enemy_kill", function()
surface.play_sound("path + filename") --e.g surface.play_sound("C:\žolo2.mp3")
end)

 

[Mr House]

client.set_event_callback("on_enemy_kill", function()
surface.play_sound("path + filename") --e.g surface.play_sound("C:\žolo2.mp3")
end)

Gamesense lua?
it looks good just replace "path + filename" with the file location you want to use