src/Data/BizDataObj.php
public function getOnAuditFields()
    {
        $fieldList = array();
        foreach ($this->bizRecord as $field) {
            if ($field->onAudit)
                $fieldList[] = $field;
        }
        return $fieldList;
    }
public function getOnAuditFields()
    {
        $fieldList = array();
        foreach ($this->bizRecord as $field) {
            if ($field->onAudit)
                $fieldList[] = $field;
        }
        return $fieldList;
    }
Get auditable fields

@return array list of {@link BizField} objects who are auditable