diff --git a/htdocs/product/class/product.class.php b/htdocs/product/class/product.class.php
index c271346d4bc..e81326e6742 100644
--- a/htdocs/product/class/product.class.php
+++ b/htdocs/product/class/product.class.php
@@ -300,6 +300,23 @@ class Product extends CommonObject
 	public $price_autogen = 0;
 
 
+	public $fields = array(
+		'rowid'         =>array('type'=>'integer',      'label'=>'TechnicalID',      'enabled'=>1, 'visible'=>-2, 'notnull'=>1,  'index'=>1, 'position'=>1, 'comment'=>'Id'),
+		'ref'           =>array('type'=>'varchar(128)', 'label'=>'Ref',              'enabled'=>1, 'visible'=>1,  'notnull'=>1,  'showoncombobox'=>1, 'index'=>1, 'position'=>10, 'searchall'=>1, 'comment'=>'Reference of object'),
+		'entity'        =>array('type'=>'integer',      'label'=>'Entity',           'enabled'=>1, 'visible'=>0,  'default'=>1, 'notnull'=>1,  'index'=>1, 'position'=>20),
+		'note_public'   =>array('type'=>'html',			'label'=>'NotePublic',		 'enabled'=>1, 'visible'=>0,  'position'=>61),
+		'note'          =>array('type'=>'html',			'label'=>'NotePrivate',		 'enabled'=>1, 'visible'=>0,  'position'=>62),
+		'datec'         =>array('type'=>'datetime',     'label'=>'DateCreation',     'enabled'=>1, 'visible'=>-2, 'notnull'=>1,  'position'=>500),
+		'tms'           =>array('type'=>'timestamp',    'label'=>'DateModification', 'enabled'=>1, 'visible'=>-2, 'notnull'=>1,  'position'=>501),
+		//'date_valid'    =>array('type'=>'datetime',     'label'=>'DateCreation',     'enabled'=>1, 'visible'=>-2, 'position'=>502),
+		'fk_user_author'=>array('type'=>'integer',      'label'=>'UserAuthor',       'enabled'=>1, 'visible'=>-2, 'notnull'=>1,  'position'=>510, 'foreignkey'=>'llx_user.rowid'),
+		'fk_user_modif' =>array('type'=>'integer',      'label'=>'UserModif',        'enabled'=>1, 'visible'=>-2, 'notnull'=>-1, 'position'=>511),
+		//'fk_user_valid' =>array('type'=>'integer',      'label'=>'UserValidation',        'enabled'=>1, 'visible'=>-1, 'position'=>512),
+		'import_key'    =>array('type'=>'varchar(14)',  'label'=>'ImportId',         'enabled'=>1, 'visible'=>-2, 'notnull'=>-1, 'index'=>0,  'position'=>1000),
+		//'tosell'       =>array('type'=>'integer',      'label'=>'Status',           'enabled'=>1, 'visible'=>1,  'notnull'=>1, 'default'=>0, 'index'=>1,  'position'=>1000, 'arrayofkeyval'=>array(0=>'Draft', 1=>'Active', -1=>'Cancel')),
+		//'tobuy'        =>array('type'=>'integer',      'label'=>'Status',           'enabled'=>1, 'visible'=>1,  'notnull'=>1, 'default'=>0, 'index'=>1,  'position'=>1000, 'arrayofkeyval'=>array(0=>'Draft', 1=>'Active', -1=>'Cancel')),
+	);
+
 	/**
 	 * Regular product
 	 */