$helper = WebLinkHelper::createWebLinkHelper($this, 'register_login_form_link', 'index.php?app=ship-simu&page=register');
// Set link text
-$helper->setLinkTextById('register_login_form_link_text');
+$helper->addLinkWithTextById('register_login_form_link_text');
// Flush the content
$helper->flushContent();