_factory = new \Braintree\Factory(); $this->_factory->setUpstream(\Braintree\Configuration::gatewayUrl() . "/ibangateways"); parent::__construct($httpClient); } public function find() { return $this->_factory->creditCard(["iban" => $this->iban]); } } class_alias('Braintree\IbanGateway', 'Braintree_IbanGateway');