Play a music from kodi

im having a hard time to call a music from kodi with the media player

media_player:

  • platform: kodi
    host: !secret kodi_host
    port: !secret kodi_port
    name: kodi
    username: !secret kodi_user
    password: !secret kodi_pw
    service: media_player.media_play
    entity_id: media_player.kodi
    media_content_id: C:\Users\Lohu\AppData\Roaming\Kodi\userdata\playlists\music\03 Lost!.mp3
    media_content_type: MUSIC

not sure how to set directory where is music im a windows user
what im doing wrong?