I'm trying to prepopulate the lookup field in child objects from the related list of parent.

But it seems the URL hack is not working for that. Event when I hardcode the value, it's still not working

  • Have you tried using the API name of the field instead of 00N6g00000UQ7Fa_lkid
    – manjit5190
    Sep 9, 2020 at 17:38

1 Answer 1


I had same issue. On several tries this worked


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