without background, to print directly on A4 ISR-paper
$configuration = (new Configuration())
->setType(Configuration::TYPE_BESR_BORDERED)
->setReceiver('whatwedo GmbH')
->setReceiverAddress('Theaterplatz 2')
->setReceiverCity('3011 Bern')
->setSender('Max Muster')
->setSenderAddress('Musterstrasse 2')
->setSenderCity('3014 Bern')
->setReceiverAccount('01-165-2')
->setAmount(394975) // float * 100
->setCustomerIdentificationNumber('123456') // bank issued customer id (max 6 chars)
->setReferenceNumber('22100305560000144678') // without check digit! (max 20 chars)
;
/** @var EsrManager $esrManager */
$esrManager = $this->getContainer()->get('whatwedo_esr.manager');
return $esrManager->getPdfResponse($configuration);
// alternative: $esrManager->writePdfOutput('~/esr.pdf', $configuration);