CWizard::__InstallService

function __InstallService($serviceID)
{
	if (!array_key_exists($serviceID, $this->arServices))
		return;

	//If the main module was not included
	require_once($_SERVER['DOCUMENT_ROOT']."/bitrix/modules/main/include.php");

	//Copy files
	$this->__MoveDirFiles($this->arServices[$serviceID]);
}