PayPal\Api\DetailedRefund::getRefundToExternalFunding PHP Method

    public function getRefundToExternalFunding()
    {
        return $this->refund_to_external_funding;
    }

 /**
  * @depends testSerializationDeserialization
  * @param DetailedRefund $obj
  */
 public function testGetters($obj)
 {
     $this->assertEquals($obj->getCustom(), "TestSample");
     $this->assertEquals($obj->getInvoiceNumber(), "TestSample");
     $this->assertEquals($obj->getRefundToPayer(), CurrencyTest::getObject());
     $this->assertEquals($obj->getRefundToExternalFunding(), ExternalFundingTest::getObject());
     $this->assertEquals($obj->getRefundFromTransactionFee(), CurrencyTest::getObject());
     $this->assertEquals($obj->getRefundFromReceivedAmount(), CurrencyTest::getObject());
     $this->assertEquals($obj->getTotalRefundedAmount(), CurrencyTest::getObject());
 }