Installation card mod

I have install de hacs card mod. what must i put in the configuration file:

frontend:
extra_module_url:
- /local/config/www/community/card-mod.js

extra_module_url:
- /local/card-mod.js
i have tried different bur nothing works.
Can you help me i am a beginner.

In “configuration.yaml”:

frontend:
  extra_module_url:
    - /hacsfiles/lovelace-card-mod/card-mod.js

And suggest to ask any card-mod related questions in the main thread.
Path to a list of examples: 1st post of that thread → link at the bottom

Also read rules of the Community, like pt.11 regarding a proper posting of codes.

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