This looks like it’s very similar to something I’m trying to accomplish. Do you have an example of how to implement this (after placing it in your functions.php file and changing the ‘post_type’ that is)?
E.g. Do you create an empty checkbox field with the name “my_field_name” first? Or do you change “my_field_name” to the name of an existing Post Object field?
Thanks in advance!
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