Payment::setPaySystemService

public function setPaySystemService(SalePaySystemService $service)
{
	$this->service = $service;
	$result = $this->setField("PAY_SYSTEM_ID", $service->getField('ID'));
	if ($result->isSuccess())
	{
		$this->setField("PAY_SYSTEM_NAME", $service->getField('NAME'));
	}
}