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Hello, I am trying to insert the Order Message/Note into invoice.pdf in prestashop 1.6.0.14. i have make a function stored in override/classes/order/OrderInvoice.php I try to get the order message from my database with this class: public static function getMessages($id_order) { $messages = Db::getInstance(_PS_USE_SQL_SLAVE_)->executeS(' SELECT `message` FROM `'._DB_PREFIX_.'message` WHERE `id_order` = '.(int)$id_order.' ORDER BY `id_message` '); return nl2br(implode("\n", (array)$messages)); } How can i make it appears in my invoice.tpl? i try with {$order_detail.messages} but this does not work. Can somebody help me? Can someone describe me another way to appear the message in invoice.pdf? Thanks!