code: protected function getData( \Aimeos\MShop\Order\Item\Base\Iface $base, $orderid, array $params )
  	{
  		$addresses = $base->getAddress( \Aimeos\MShop\Order\Item\Base\Address\Base::TYPE_PAYMENT );
  
  		if( ( $address = current( $addresses ) ) === false ) {
  			$langid = $this->getContext()->getLocale()->getLanguageId();
  		} else {
  			$langid = $address->getLanguageId();
  		}
  
  		$data = array(
  			'language' => $langid,
  			'transactionId' => $orderid,
  			'amount' => $this->getAmount( $base->getPrice() ),
  			'currency' => $base->getLocale()->getCurrencyId(),
  			'description' => sprintf( $this->getContext()->getI18n()->dt( 'mshop', 'Order %1$s' ), $orderid ),
  			'clientIp' => $this->getValue( 'client.ipaddress' ),
  		);
  
  		if( $this->getValue( 'createtoken', false ) ) {
  			$data['createCard'] = true;
  		}
  
  		if( $this->getValue( 'onsite', false ) || $this->getValue( 'address', false ) ) {
  			$data['card'] = $this->getCardDetails( $base, $params );
  		}
  
  		return $data + $this->getPaymentUrls();
  	}
docs: Returns the data passed to the Omnipay library
  
  @param \Aimeos\MShop\Order\Item\Base\Iface $base Basket object
  @param $orderid string Unique order ID
  @param array $params Request parameter if available