diff --git a/htdocs/core/modules/project/doc/pdf_baleine.modules.php b/htdocs/core/modules/project/doc/pdf_baleine.modules.php
index 6baf416ed64..431e7b6e85c 100644
--- a/htdocs/core/modules/project/doc/pdf_baleine.modules.php
+++ b/htdocs/core/modules/project/doc/pdf_baleine.modules.php
@@ -38,6 +38,31 @@ require_once DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';
 
 class pdf_baleine extends ModelePDFProjects
 {
+	/**
+	 * @var DoliDb Database handler
+	 */
+	public $db;
+
+	/**
+	 * @var string model name
+	 */
+	public $name;
+
+	/**
+	 * @var string model description (short text)
+	 */
+	public $description;
+
+	/**
+	 * @var int     Save the name of generated file as the main doc when generating a doc with this template
+	 */
+	public $update_main_doc_field;
+
+	/**
+	 * @var string document type
+	 */
+	public $type;
+
 	/**
 	 * @var array Minimum version of PHP required by module.
 	 * e.g.: PHP ≥ 5.6 = array(5, 6)
@@ -50,6 +75,41 @@ class pdf_baleine extends ModelePDFProjects
 	 */
 	public $version = 'dolibarr';
 
+	/**
+	 * @var int page_largeur
+	 */
+	public $page_largeur;
+
+	/**
+	 * @var int page_hauteur
+	 */
+	public $page_hauteur;
+
+	/**
+	 * @var array format
+	 */
+	public $format;
+
+	/**
+	 * @var int marge_gauche
+	 */
+	public $marge_gauche;
+
+	/**
+	 * @var int marge_droite
+	 */
+	public $marge_droite;
+
+	/**
+	 * @var int marge_haute
+	 */
+	public $marge_haute;
+
+	/**
+	 * @var int marge_basse
+	 */
+	public $marge_basse;
+
 	/**
 	 * Issuer
 	 * @var Societe Object that emits
@@ -71,6 +131,7 @@ class pdf_baleine extends ModelePDFProjects
 		$this->db = $db;
 		$this->name = "baleine";
 		$this->description = $langs->trans("DocumentModelBaleine");
+		$this->update_main_doc_field = 1; // Save the name of generated file as the main doc when generating a doc with this template
 
 		// Page size for A4 format
 		$this->type = 'pdf';