LabelConstructor::getPaySystemTag

public function getPaySystemTag(SalePayment $payment) : string
{
	$service = $payment->getPaySystem();

	if ($service === null)
	{
		return '';
	}

	$tag = $service->getField('ACTION_FILE');
	if ($service->getField('PS_MODE'))
	{
		$tag .= ':'.$service->getField('PS_MODE');
	}

	return $tag;
}