public function getCaptureDetailsRequest()
    {
        $getCaptureDetailsRequest 
            = new OffAmazonPaymentsService_Model_GetCaptureDetailsRequest();
        $getCaptureDetailsRequest->setSellerId($this->_sellerId);
        $getCaptureDetailsRequest->setAmazonCaptureId($this->_amazonCaptureId);
        
        return $this->_service->getCaptureDetails($getCaptureDetailsRequest);
    }