setTransactionReference() public method

Sets the transaction reference.
public setTransactionReference ( string $value ) : AbstractRequest
$value string
return AbstractRequest Provides a fluent interface
 public function setUp()
 {
     $this->request = new SoapRefundRequest($this->getHttpClient(), $this->getHttpRequest());
     $this->request->setTransactionReference('123456')->setAmount('400.00');
 }