LG WEBOS changing source

Configuration
1

Good day every one,
i am trying to trigger my LG TV to switch sources from liveTV to youtube netfflix etc but i can not do it. What else i can do or how can i configurate it?
thank you in advance

LG TV

media_player:

  • platform: webostv
    host: 192.168.10.248
    name: TV
    filename: webostv.conf
    timeout: 5
    turn_on_action:
    service: wake_on_lan.send_magic_packet
    data:
    mac:
    customize:
    sources:
    - livetv
    - youtube
    - makotv
    - netflix
    wake_on_lan:
2

Sources shoul be indented under customize.

3

Yes got it but how can i do that?
Have any ready format?

4

Hi i have an LG Webos tv and the only thing i have in yaml is platform & host and the media card will still show all sources, volume controls etc.