'audit', 'fields' => array ( 'id'=> array('name' =>'id', 'type' =>'id', 'len'=>'36','required'=>true), 'parent_id'=>array('name' =>'parent_id', 'type' =>'id', 'len'=>'36','required'=>true), 'date_created'=>array('name' =>'date_created','type' => 'datetime'), 'created_by'=>array('name' =>'created_by','type' => 'varchar','len' => 36), 'field_name'=>array('name' =>'field_name','type' => 'varchar','len' => 100), 'data_type'=>array('name' =>'data_type','type' => 'varchar','len' => 100), 'before_value_string'=>array('name' =>'before_value_string','type' => 'varchar'), 'after_value_string'=>array('name' =>'after_value_string','type' => 'varchar'), 'before_value_text'=>array('name' =>'before_value_text','type' => 'text'), 'after_value_text'=>array('name' =>'after_value_text','type' => 'text'), ) ) ?>