diff --git a/modules/blockwishlist/WishList.php b/modules/blockwishlist/WishList.php
index baf1a3494..ea039f967 100644
--- a/modules/blockwishlist/WishList.php
+++ b/modules/blockwishlist/WishList.php
@@ -28,43 +28,40 @@
 if (!defined('_PS_VERSION_'))
 	exit;
 	
-class		WishList extends ObjectModel
+class WishList extends ObjectModel
 {
 	/** @var integer Wishlist ID */
-	public		$id;
+	public $id;
 
 	/** @var integer Customer ID */
-	public 		$id_customer;
+	public $id_customer;
 
 	/** @var integer Token */
-	public 		$token;
+	public $token;
 
 	/** @var integer Name */
-	public 		$name;
+	public $name;
 
 	/** @var string Object creation date */
-	public 		$date_add;
+	public $date_add;
 
 	/** @var string Object last modification date */
-	public 		$date_upd;
+	public $date_upd;
 
-	protected	$fieldsSize = array('name' => 64, 'token' => 64);
-	protected	$fieldsRequired = array('id_customer', 'name', 'token');
-	protected	$fieldsValidate = array('id_customer' => 'isUnsignedId', 'name' => 'isMessage',
-		'token' => 'isMessage');
-	protected 	$table = 'wishlist';
-	protected 	$identifier = 'id_wishlist';
-
-	public function getFields()
-	{
-		$this->validateFields();
-		$fields['id_customer'] = (int)($this->id_customer);
-		$fields['token'] = pSQL($this->token);
-		$fields['name'] = pSQL($this->name);
-		$fields['date_add'] = pSQL($this->date_add);
-		$fields['date_upd'] = pSQL($this->date_upd);
-		return ($fields);
-	}
+	/**
+	 * @see ObjectModel::$definition
+	 */
+	public static $definition = array(
+		'table' => 'wishlist',
+		'primary' => 'id_wishlist',
+		'fields' => array(
+			'id_customer' =>	array('type' => self::TYPE_INT, 'validate' => 'isUnsignedId', 'required' => true),
+			'token' =>			array('type' => self::TYPE_STRING, 'validate' => 'isMessage', 'required' => true),
+			'name' =>			array('type' => self::TYPE_STRING, 'validate' => 'isMessage', 'required' => true),
+			'date_add' =>		array('type' => self::TYPE_DATE, 'validate' => 'isDate'),
+			'date_upd' =>		array('type' => self::TYPE_DATE, 'validate' => 'isDate'),
+		)
+	);
 
 	public function delete()
 	{
@@ -86,15 +83,18 @@ class		WishList extends ObjectModel
 		if (!Validate::isUnsignedId($id_wishlist))
 			die (Tools::displayError());
 		$result = Db::getInstance()->getRow('
-		SELECT `counter`
-		  FROM `'._DB_PREFIX_.'wishlist`
-		WHERE `id_wishlist` = '.(int)($id_wishlist));
-		if ($result == false OR !sizeof($result) OR empty($result) === true)
+			SELECT `counter`
+			FROM `'._DB_PREFIX_.'wishlist`
+			WHERE `id_wishlist` = '.(int)$id_wishlist
+		);
+		if ($result == false || !count($result) || empty($result) === true)
 			return (false);
-		return (Db::getInstance()->execute('
-		UPDATE `'._DB_PREFIX_.'wishlist` SET
-		`counter` = '.(int)($result['counter'] + 1).'
-		WHERE `id_wishlist` = '.(int)($id_wishlist)));
+
+		return Db::getInstance()->execute('
+			UPDATE `'._DB_PREFIX_.'wishlist` SET
+			`counter` = '.(int)($result['counter'] + 1).'
+			WHERE `id_wishlist` = '.(int)$id_wishlist
+		);
 	}
 
 	
@@ -102,10 +102,10 @@ class		WishList extends ObjectModel
 	{
 		$context = Context::getContext();
 		return Db::getInstance()->getValue('
-		SELECT COUNT(*) AS total
-		FROM `'._DB_PREFIX_.'wishlist` 
-		WHERE `name` = \''.pSQL($name).'\'
-		AND `id_customer` = '.(int)$context->customer->id
+			SELECT COUNT(*) AS total
+			FROM `'._DB_PREFIX_.'wishlist`
+			WHERE `name` = \''.pSQL($name).'\'
+				AND `id_customer` = '.(int)$context->customer->id
 		);
 	}
 	
diff --git a/modules/editorial/EditorialClass.php b/modules/editorial/EditorialClass.php
index 0ae8c655c..f0ee66c50 100755
--- a/modules/editorial/EditorialClass.php
+++ b/modules/editorial/EditorialClass.php
@@ -25,68 +25,43 @@
 *  International Registered Trademark & Property of PrestaShop SA
 */
 
-class		EditorialClass extends ObjectModel
+class EditorialClass extends ObjectModel
 {
 	/** @var integer editorial id*/
-	public		$id = 1;
+	public $id = 1;
 	
 	/** @var string body_title*/
-	public		$body_home_logo_link;
+	public $body_home_logo_link;
 
 	/** @var string body_title*/
-	public		$body_title;
+	public $body_title;
 
 	/** @var string body_title*/
-	public		$body_subheading;
+	public $body_subheading;
 
 	/** @var string body_title*/
-	public		$body_paragraph;
+	public $body_paragraph;
 
 	/** @var string body_title*/
-	public		$body_logo_subheading;
-	
-	protected 	$table = 'editorial';
-	protected 	$identifier = 'id_editorial';
-	
-	protected 	$fieldsValidate = array('body_home_logo_link' => 'isUrl');
-	protected 	$fieldsValidateLang = array(
-		'body_title' => 'isGenericName',
-		'body_subheading' => 'isGenericName',
-		'body_paragraph' => 'isCleanHtml',
-		'body_logo_subheading' => 'isGenericName');
-	
+	public $body_logo_subheading;
+
 	/**
-	  * Check then return multilingual fields for database interaction
-	  *
-	  * @return array Multilingual fields
-	  */
-	public function getTranslationsFieldsChild()
-	{
-		$this->validateFieldsLang();
+	 * @see ObjectModel::$definition
+	 */
+	public static $definition = array(
+		'table' => 'editorial',
+		'primary' => 'id_editorial',
+		'fields' => array(
+			'body_home_logo_link' =>	array('type' => self::TYPE_STRING, 'validate' => 'isUrl'),
+
+			// Lang fields
+			'body_title' =>				array('type' => self::TYPE_STRING, 'lang' => true, 'validate' => 'isGenericName'),
+			'body_subheading' =>		array('type' => self::TYPE_STRING, 'lang' => true, 'validate' => 'isGenericName'),
+			'body_paragraph' =>			array('type' => self::TYPE_HTML, 'lang' => true, 'validate' => 'isCleanHtml'),
+			'body_logo_subheading' =>	array('type' => self::TYPE_STRING, 'lang' => true, 'validate' => 'isGenericName'),
+		)
+	);
 
-		$fieldsArray = array('body_title', 'body_subheading', 'body_paragraph', 'body_logo_subheading');
-		$fields = array();
-		$languages = Language::getLanguages(false);
-		$defaultLanguage = (int)(Configuration::get('PS_LANG_DEFAULT'));
-		foreach ($languages as $language)
-		{
-			$fields[$language['id_lang']]['id_lang'] = (int)($language['id_lang']);
-			$fields[$language['id_lang']][$this->identifier] = (int)($this->id);
-			foreach ($fieldsArray as $field)
-			{
-				if (!Validate::isTableOrIdentifier($field))
-					die(Tools::displayError());
-				if (isset($this->{$field}[$language['id_lang']]) AND !empty($this->{$field}[$language['id_lang']]))
-					$fields[$language['id_lang']][$field] = pSQL($this->{$field}[$language['id_lang']], true);
-				elseif (in_array($field, $this->fieldsRequiredLang))
-					$fields[$language['id_lang']][$field] = pSQL($this->{$field}[$defaultLanguage], true);
-				else
-					$fields[$language['id_lang']][$field] = '';
-			}
-		}
-		return $fields;
-	}
-	
 	public function copyFromPost()
 	{
 		/* Classical fields */
@@ -104,12 +79,4 @@ class		EditorialClass extends ObjectModel
 						$this->{$field}[(int)($language['id_lang'])] = $_POST[$field.'_'.(int)($language['id_lang'])];
 		}
 	}
-	
-	public function getFields()
-	{
-		$this->validateFields();
-		$fields['id_editorial'] = (int)($this->id);
-		$fields['body_home_logo_link'] = pSQL($this->body_home_logo_link);
-		return $fields;
-	}
 }
diff --git a/modules/homeslider/HomeSlide.php b/modules/homeslider/HomeSlide.php
index 0fba6f47c..ef6b7a347 100644
--- a/modules/homeslider/HomeSlide.php
+++ b/modules/homeslider/HomeSlide.php
@@ -35,54 +35,24 @@ class HomeSlide extends ObjectModel
 	public $active;
 	public $position;
 
-	protected $fieldsValidate = array(
-		 'active' => 'isunsignedInt',
-		 'position' => 'isunsignedInt'
-	);
-	protected $fieldsRequired = array(
-		 'active',
-		 'position'
-	);
-	protected $fieldsRequiredLang = array('title', 'url', 'legend');
-	protected $fieldsSizeLang = array(
-		 'description' => 4000,
-		 'title' => 255,
-		 'legend' => 255,
-		 'url' => 255,
-		 'image' => 255
-	);
-	protected $fieldsValidateLang = array(
-		 'title' => 'isCleanHtml',
-		 'description' => 'isCleanHtml',
-		 'url' => 'isUrl',
-		 'legend' => 'isCleanHtml',
-		 'image' => 'isCleanHtml'
-	);
+	/**
+	 * @see ObjectModel::$definition
+	 */
+	public static $definition = array(
+		'table' => 'homeslider_slides',
+		'primary' => 'id_homeslider_slides',
+		'fields' => array(
+			'active' =>			array('type' => self::TYPE_BOOL, 'validate' => 'isBool', 'required' => true),
+			'position' =>		array('type' => self::TYPE_INT, 'validate' => 'isunsignedInt', 'required' => true),
 
-	protected $tables = array('homeslider_slides, homeslider_slides_lang');
-	protected $table = 'homeslider_slides';
-	protected $identifier = 'id_homeslider_slides';
-
-	public function getFields()
-	{
-		$this->validateFields();
-		$fields['id_homeslider_slides'] = (int)$this->id;
-		$fields['active'] = (int)$this->active;
-		$fields['position'] = (int)$this->position;
-		return $fields;
-	}
-
-	public function getTranslationsFieldsChild()
-	{
-		$this->validateFieldsLang();
-		return $this->getTranslationsFields(array(
-			'title',
-			'description',
-			'url',
-			'legend',
-			'image'
-		));
-	}
+			// Lang fields
+			'description' =>	array('type' => self::TYPE_STRING, 'lang' => true, 'validate' => 'isCleanHtml', 'size' => 4000),
+			'title' =>			array('type' => self::TYPE_STRING, 'lang' => true, 'validate' => 'isCleanHtml', 'required' => true, 'size' => 255),
+			'legend' =>			array('type' => self::TYPE_STRING, 'lang' => true, 'validate' => 'isCleanHtml', 'required' => true, 'size' => 255),
+			'url' =>			array('type' => self::TYPE_STRING, 'lang' => true, 'validate' => 'isUrl', 'required' => true, 'size' => 255),
+			'image' =>			array('type' => self::TYPE_STRING, 'lang' => true, 'validate' => 'isCleanHtml', 'size' => 255),
+		)
+	);
 
 	public	function __construct($id_slide = null, $id_lang = null, $id_shop = null, Context $context = null)
 	{
diff --git a/modules/loyalty/LoyaltyModule.php b/modules/loyalty/LoyaltyModule.php
index 6d56b04e7..310d7faaa 100644
--- a/modules/loyalty/LoyaltyModule.php
+++ b/modules/loyalty/LoyaltyModule.php
@@ -38,24 +38,22 @@ class LoyaltyModule extends ObjectModel
 	public $date_add;
 	public $date_upd;
 
-	protected $fieldsRequired = array('id_customer', 'points');
-	protected $fieldsValidate = array('id_loyalty_state' => 'isInt', 'id_customer' => 'isInt', 'id_cart_rule' => 'isInt', 'id_order' => 'isInt', 'points' => 'isInt');
-
-	protected $table = 'loyalty';
-	protected $identifier = 'id_loyalty';
-	
-	public function getFields()
-	{
-		$this->validateFields();
-		$fields['id_loyalty_state'] = (int)$this->id_loyalty_state;
-		$fields['id_customer'] = (int)$this->id_customer;
-		$fields['id_order'] = (int)$this->id_order;
-		$fields['id_cart_rule'] = (int)$this->id_cart_rule;
-		$fields['points'] = (int)$this->points;
-		$fields['date_add'] = pSQL($this->date_add);
-		$fields['date_upd'] = pSQL($this->date_upd);
-		return $fields;
-	}
+	/**
+	 * @see ObjectModel::$definition
+	 */
+	public static $definition = array(
+		'table' => 'loyalty',
+		'primary' => 'id_loyalty',
+		'fields' => array(
+			'id_loyalty_state' =>	array('type' => self::TYPE_INT, 'validate' => 'isInt'),
+			'id_customer' =>		array('type' => self::TYPE_INT, 'validate' => 'isInt', 'required' => true),
+			'id_order' =>			array('type' => self::TYPE_INT, 'validate' => 'isInt'),
+			'id_cart_rule' =>		array('type' => self::TYPE_INT, 'validate' => 'isInt'),
+			'points' =>				array('type' => self::TYPE_INT, 'validate' => 'isInt', 'required' => true),
+			'date_add' =>			array('type' => self::TYPE_DATE, 'validate' => 'isDate'),
+			'date_upd' =>			array('type' => self::TYPE_DATE, 'validate' => 'isDate'),
+		)
+	);
 
 	public function save($nullValues = false, $autodate = true)
 	{
diff --git a/modules/loyalty/LoyaltyStateModule.php b/modules/loyalty/LoyaltyStateModule.php
index c7d710348..cc413ad26 100644
--- a/modules/loyalty/LoyaltyStateModule.php
+++ b/modules/loyalty/LoyaltyStateModule.php
@@ -33,31 +33,19 @@ class LoyaltyStateModule extends ObjectModel
 	public $name;
 	public $id_order_state;
 
-	protected $fieldsValidate = array('id_order_state' => 'isInt');
-	protected $fieldsRequiredLang = array('name');
-	protected $fieldsSizeLang = array('name' => 128);
-	protected $fieldsValidateLang = array('name' => 'isGenericName');
-
-	protected $table = 'loyalty_state';
-	protected $identifier = 'id_loyalty_state';
-
-	public function getFields()
-	{
-		$this->validateFields();
-		$fields['id_order_state'] = (int)($this->id_order_state);
-		return $fields;
-	}
-
 	/**
-	* Check then return multilingual fields for database interaction
-	*
-	* @return array Multilingual fields
-	*/
-	public function getTranslationsFieldsChild()
-	{
-		$this->validateFieldsLang();
-		return $this->getTranslationsFields(array('name'));
-	}
+	 * @see ObjectModel::$definition
+	 */
+	public static $definition = array(
+		'table' => 'loyalty_state',
+		'primary' => 'id_loyalty_state',
+		'fields' => array(
+			'id_order_state' =>	array('type' => self::TYPE_INT, 'validate' => 'isInt'),
+
+			// Lang fields
+			'name' =>			array('type' => self::TYPE_STRING, 'lang' => true, 'validate' => 'isGenericName', 'required' => true, 'size' => 128),
+		),
+	);
 
 	public static function getDefaultId() { return 1; }
 	public static function getValidationId() { return 2; }
diff --git a/modules/productcomments/ProductComment.php b/modules/productcomments/ProductComment.php
index c3a78bf2c..a1617a152 100644
--- a/modules/productcomments/ProductComment.php
+++ b/modules/productcomments/ProductComment.php
@@ -62,35 +62,26 @@ class ProductComment extends ObjectModel
 	/** @var string Object creation date */
 	public $date_add;
 
-	protected $fieldsRequired = array('id_product', 'id_customer', 'content');
-	protected $fieldsSize = array('content' => 65535);
-	protected $fieldsValidate = array(
-		'id_product' => 'isUnsignedId',
-		'id_customer' => 'isUnsignedId',
-		'content' => 'isMessage',
-		'grade' => 'isFloat',
-		'validate' => 'isBool'
+	/**
+	 * @see ObjectModel::$definition
+	 */
+	public static $definition = array(
+		'table' => 'product_comment',
+		'primary' => 'id_product_comment',
+		'fields' => array(
+			'id_product' =>		array('type' => self::TYPE_INT, 'validate' => 'isUnsignedId', 'required' => true),
+			'id_customer' =>	array('type' => self::TYPE_INT, 'validate' => 'isUnsignedId', 'required' => true),
+			'id_guest' =>		array('type' => self::TYPE_INT),
+			'customer_name' =>	array('type' => self::TYPE_STRING),
+			'title' =>			array('type' => self::TYPE_STRING),
+			'content' =>		array('type' => self::TYPE_STRING, 'validate' => 'isMessage', 'size' => 65535, 'required' => true),
+			'grade' =>			array('type' => self::TYPE_FLOAT, 'validate' => 'isFloat'),
+			'validate' =>		array('type' => self::TYPE_BOOL, 'validate' => 'isBool'),
+			'deleted' =>		array('type' => self::TYPE_BOOL),
+			'date_add' =>		array('type' => self::TYPE_DATE),
+		)
 	);
 
-	protected $table = 'product_comment';
-	protected $identifier = 'id_product_comment';
-
-	public	function getFields()
-	{
-	 	$this->validateFields(false);
-		$fields['id_product'] = (int)$this->id_product;
-		$fields['id_customer'] = (int)$this->id_customer;
-		$fields['id_guest'] = (int)$this->id_guest;
-		$fields['customer_name'] = pSQL($this->customer_name);
-		$fields['title'] = pSQL($this->title);
-		$fields['content'] = pSQL($this->content);
-		$fields['grade'] = (float)$this->grade;
-		$fields['validate'] = (int)$this->validate;
-		$fields['deleted'] = (int)$this->deleted;
-		$fields['date_add'] = pSQL($this->date_add);
-		return ($fields);
-	}
-
 	/**
 	 * Get comments by IdProduct
 	 *
diff --git a/modules/productcomments/ProductCommentCriterion.php b/modules/productcomments/ProductCommentCriterion.php
index 18f5b5b79..10363c251 100644
--- a/modules/productcomments/ProductCommentCriterion.php
+++ b/modules/productcomments/ProductCommentCriterion.php
@@ -31,27 +31,23 @@ class ProductCommentCriterion extends ObjectModel
 	public		$id_product_comment_criterion_type;
 	
 	public		$name;
-	public		$active = 1;
-	protected	$fieldsRequiredLang = array('name');
-	protected	$fieldsSizeLang = array('name' => 128);
-	protected	$fieldsValidateLang = array('name' => 'isGenericName');
-	
-	protected	$table = 'product_comment_criterion';
-	protected	$identifier = 'id_product_comment_criterion';
-	
-	
-	public function getFields()
-	{
-		$this->validateFields();
-		return array('id_product_comment_criterion_type' => (int)$this->id_product_comment_criterion_type, 'active' => (int)$this->active);
-	}
-	
-	public function getTranslationsFieldsChild()
-	{
-		$this->validateFieldsLang();
-		return $this->getTranslationsFields(array('name'));
-	}
-	
+	public		$active = true;
+
+	/**
+	 * @see ObjectModel::$definition
+	 */
+	public static $definition = array(
+		'table' => 'product_comment_criterion',
+		'primary' => 'id_product_comment_criterion',
+		'fields' => array(
+			'id_product_comment_criterion_type' =>	array('type' => self::TYPE_INT),
+			'active' =>								array('type' => self::TYPE_BOOL),
+
+			// Lang fields
+			'name' =>								array('type' => self::TYPE_STRING, 'validate' => 'isGenericName', 'required' => true, 'size' => 128),
+		)
+	);
+
 	public function delete()
 	{
 		if (!parent::delete())
diff --git a/modules/referralprogram/ReferralProgramModule.php b/modules/referralprogram/ReferralProgramModule.php
index 2f7081456..589b0e9b4 100644
--- a/modules/referralprogram/ReferralProgramModule.php
+++ b/modules/referralprogram/ReferralProgramModule.php
@@ -40,26 +40,24 @@ class ReferralProgramModule extends ObjectModel
 	public $date_add;
 	public $date_upd;
 
-	protected $fieldsRequired = array('id_sponsor', 'email', 'lastname', 'firstname');
-	protected $fieldsSize = array('id_sponsor' => 8, 'email' => 255, 'lastname' => 128, 'firstname' => 128, 'id_customer' => 8, 'id_discount' => 8, 'id_discount_sponsor' => 8);
-	protected $fieldsValidate = array( 'id_sponsor' => 'isUnsignedId', 'email' => 'isEmail', 'lastname' => 'isName', 'firstname' => 'isName', 'id_customer' => 'isUnsignedId', 'id_discount' => 'isUnsignedId', 'id_discount_sponsor' => 'isUnsignedId');
-	protected $table = 'referralprogram';
-	protected $identifier = 'id_referralprogram';
-
-	public function getFields()
-	{
-		$this->validateFields();
-		$fields['id_sponsor'] = (int)$this->id_sponsor;
-		$fields['email'] = pSQL($this->email);
-		$fields['lastname'] = pSQL($this->lastname);
-		$fields['firstname'] = pSQL($this->firstname);
-		$fields['id_customer'] = (int)$this->id_customer;
-		$fields['id_discount'] = (int)$this->id_discount;
-		$fields['id_discount_sponsor'] = (int)$this->id_discount_sponsor;
-		$fields['date_add'] = pSQL($this->date_add);
-		$fields['date_upd'] = pSQL($this->date_upd);
-		return $fields;
-	}
+	/**
+	 * @see ObjectModel::$definition
+	 */
+	public static $definition = array(
+		'table' => 'referralprogram',
+		'primary' => 'id_referralprogram',
+		'fields' => array(
+			'id_sponsor' =>			array('type' => self::TYPE_INT, 'validate' => 'isUnsignedId', 'required' => true),
+			'email' =>				array('type' => self::TYPE_STRING, 'validate' => 'isEmail', 'required' => true, 'size' => 255),
+			'lastname' =>			array('type' => self::TYPE_STRING, 'validate' => 'isName', 'required' => true, 'size' => 128),
+			'firstname' =>			array('type' => self::TYPE_STRING, 'validate' => 'isName', 'required' => true, 'size' => 128),
+			'id_customer' =>		array('type' => self::TYPE_INT, 'validate' => 'isUnsignedId'),
+			'id_discount' =>		array('type' => self::TYPE_INT, 'validate' => 'isUnsignedId'),
+			'id_discount_sponsor' =>array('type' => self::TYPE_INT, 'validate' => 'isUnsignedId'),
+			'date_add' =>			array('type' => self::TYPE_DATE, 'validate' => 'isDate'),
+			'date_upd' =>			array('type' => self::TYPE_DATE, 'validate' => 'isDate'),
+		),
+	);
 
 	public static function getDiscountPrefix()
 	{