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We’ll call this False Value.
If you batch import new authority terms via the CSV Importer and you do not fill in the termPrefForLang field in the CSV, the resulting XML record has:
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Using 💣 in a boolean field results in a False Value, not a NULL Value. If a boolean field has ever had a value in it, the system does not let you change it back to a Null Value, but you can change it to false.
If you import a CSV with 💣 in a boolean field, you will get a boolean_value_transform warning. This is because what you have in your CSV is not a valid value for a boolean field, and the processor has tried to be helpful and assign the correct valid boolean value. The bomb in a boolean field is always “corrected” to false.
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Bombing multivalued fields
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