Template::isExternalModified: Bitrix method

      
<?php 
//  Bitrix\Bizproc\Automation\Engine\Template :: isExternalModified()
//  /dist/bitrix/modules/bizproc/lib/automation/engine/template.php:577

    public function isExternalModified()
    {
        if ($this->isExternalModified === null)
            $this->getRobots();

        return ($this->isExternalModified === true);
    }