Presta 1.7.x Send variable from module to views header.tpl

[HeroAdrian]

Hi 
I have problem with sending variable from ps_customersignin module to  template view header.tpl. 
I need use array variables from function getWidgetsVariable in header.tpl how i can do it ?
ps_customersignin.php

<?php

use PrestaShop\PrestaShop\Core\Module\WidgetInterface;

if (!defined('_PS_VERSION_')) {
    exit;
}

class Ps_CustomerSignIn extends Module implements WidgetInterface
{
    private $templateFile;

    public function __construct()
    {
        $this->name = 'ps_customersignin';
        $this->author = 'PrestaShop';
        $this->version = '2.0.1';
        $this->need_instance = 0;

        parent::__construct();

        $this->displayName = $this->getTranslator()->trans('Customer "Sign in" link', array(), 'Modules.Customersignin.Admin');
        $this->description = $this->getTranslator()->trans('Adds a block that displays information about the customer.', array(), 'Modules.Customersignin.Admin');
        $this->ps_versions_compliancy = array('min' => '1.7.1.0', 'max' => _PS_VERSION_);

        $this->templateFile = 'module:ps_customersignin/ps_customersignin.tpl';
    }

    public function getWidgetVariables($hookName, array $configuration)
    {
        $logged = $this->context->customer->isLogged();

        if ($logged) {
            $customerName = $this->getTranslator()->trans(
                '%firstname% %lastname%',
                array(
                    '%firstname%' => $this->context->customer->firstname,
                    '%lastname%' => $this->context->customer->lastname,
                ),
                'Modules.Customersignin.Admin'
            );
        } else {
            $customerName = '';
        }

        $link = $this->context->link;

        return array(
            'logged' => $logged,
            'customerName' => $customerName,
            'logout_url' => $link->getPageLink('index', true, null, 'mylogout'),
            'my_account_url' => $link->getPageLink('my-account', true),

        );
    }

    public function renderWidget($hookName, array $configuration)
    {
        $this->smarty->assign($this->getWidgetVariables($hookName, $configuration));
        return $this->fetch($this->templateFile);
    }
}