<DocumentElement> <Response> <!-- (string, 32) Document ID from the invoice --> <docid>ef168a0d480540f0a44ffcefcffade1b</docid> <!-- (string, 25) Voucher number --> <DocumentNumber>20120907</DocumentNumber> <!-- (string, 250, optional) Error Indicator, True / False / text. 'True' indicates that ERP did not accept the prebooking. --> <Error>False</Error> <!-- (string, 250, optional) Error message text --> <ErrorMessage></ErrorMessage> </Response> </DocumentElement>