OptionalcreatedID of the created child record, when a child mapping was applied (absent on a dry-run).
OptionaldryTrue when this was a dry-run: values were computed (and field names validated) but NOTHING was saved.
OptionalpreviewOn a dry-run with a child mapping, the resolved child values that WOULD be created.
OptionalpreviewOn a dry-run, the resolved field values that WOULD be written to the processed record — the write-back preview.
True if the processed record's fields were actually updated (always false on a dry-run).
Outcome of applyOutputMapping.