$col = $au->tableName() == "Person" ? 'person_id' : $au->tableName() . '_id';
// does $col exist?
$cols = $this->table();
-// print_R($cols);exit;
$col = isset($cols[$col]) ? $col : 'person_id'; // for BC.... - revert to using person_id
$this->{$col} = $au->pid();
//$this->person_id = $au ? (!empty($au->id) ? $au->id : $au->pid()) : -1;