OAuth::getRedirect

public function getRedirect(bool $final = true): string
{
	if (isModuleInstalled('bitrix24') && defined('BX24_HOST_NAME') && !$final)
	{
		return $this->getControllerUrl() . '/redirect.php';
	}
	else
	{
		return MainEngineUrlManager::getInstance()->getHostUrl().'/bitrix/tools/mail_oauth.php';
	}
}