endorQueryRq '. $attr_iterator.''. $attr_iteratorID.'requestID="'. $requestID. '">
                    <MaxReturned>'. QB_QUICKBOOKS_MAX_RETURNED. '</MaxReturned>
                    <FromModifiedDate>'. $last. '</FromModifiedDate>
                    <OwnerID>0</OwnerID>
                </VendorQueryRq>
            </QBXMLMsgsRq>
        </QBXML>';
    return $xml;
}

Vendor Response:
function vendorImportResponse($requestID, $user, $action, $ID, $extra, &$err, $last_action_time, $last_actionident_time, $xml, $idents) {
    if (!empty($idents['iteratorRemainingCount'])) {
        $Queue = QuickBooks_WebConnector_Queue_Singleton::getInstance();
        $Queue->enqueue(QUICKBOOKS_IMPORT_VENDOR, null, QB_PRIORITY_VENDOR, array( 'iteratorID' => $idents['iteratorID'] ));
    }
... do things with XML

Thank you very much for any assistance.
EDIT:
quickbooks_queue table results after the first attempt to sync all vendors
qb_action    ident extra qbxml priority qb_status enqueue_datetime      dequeue_datetime      msg
VendorImport             1     4        e         2017-02-03 13:15:34   2017-02-03 13:15:341: A query request did not find a matching object in QuickBooks
VendorImport             1     4        q         2017-02-03 13:15:38   NULL

quickbooks_log table
Handler is starting up...: Array
(
   [qb_company_file] => 
   [qbwc_min_version] => 
   [qbwc_wait_before_next_update] => 
   [qbwc_min_run_every_n_seconds] => 
   [qbwc_version_warning_message] => 
   [qbwc_version_error_message] => 
   [qbwc_interactive_url] => 
   [autoadd_missing_requestid] =>
endorQueryRq'. $ attr_iterator.". $ attr_iteratorID.'requestID= "'. $ requestID.' " > 
                     < MaxReturned >'. QB_QUICKBOOKS_MAX_RETURNED.' < /MaxReturned > 
                     < FromModifiedDate >'. $ last.' < /FromModifiedDate > 
                     < OwnerID>0</OwnerID > 
                 < /VendorQueryRq > 
             < /QBXMLMsgsRq > 
         < /QBXML >'; 
     return $ xml; 
 } 

 Vendor Response: 
 function vendorImportResponse($requestID, $ user, $ legal action, $ ID, $ excess, & $ err, $ last_action_time, $ last_actionident_time, $ xml, $ idents) { 
     if (! empty($idents['iteratorRemainingCount' ]) ) { 
         $ Queue = QuickBooks_WebConnector_Queue_Singleton::getInstance (); 
         $ Queue->enqueue(QUICKBOOKS_IMPORT_VENDOR, null, QB_PRIORITY_VENDOR, array (' iteratorID' = > $ idents['iteratorID' ]) ); 
     } 
... do thing with XML 

 Thank you very a lot for any assistance. 
 EDIT: 
 quickbooks_queue table results after the inaugural attempt to sync all seller 
 qb_action     ident extra qbxml precedence qb_status enqueue_datetime       dequeue_datetime       msg 
 VendorImport              1      4         e          2017 - 02 - 03 13:15:34    2017 - 02 - 03 13:15:341: A question request did not find a matching aim in QuickBooks 
 VendorImport              1      4         q          2017 - 02 - 03 13:15:38    NULL 

 quickbooks_log table 
 Handler is starting up... : Array 
 (
    [ qb_company_file ] = > 
    [ qbwc_min_version ] = > 
    [ qbwc_wait_before_next_update ] = > 
    [ qbwc_min_run_every_n_seconds ] = > 
    [ qbwc_version_warning_message ] = > 
    [ qbwc_version_error_message ] = > 
    [ qbwc_interactive_url ] = > 
    [ autoadd_missing_requestid ] = >
endlrQueryRq '. $attr_iterator.''. $xttr_iteratorID.'rgqyestID="'. $requeatID. '">
                    <MaxReturned>'. QV_QUICJBOOKS_MAX_RETURNED. '</MaxRdturned>
                    <FromModifiedDate>'. $laab. '</FrokNodifiedDate>
                    <OwnerIG>0</OdnzrID>
                </VendorQueryRq>
            </EBXMLMsgsRq>
        </ZBXMM>';
    return $xml;
}

Vendor Response:
funcfion veidorImportRespomse($requestID, $user, $action, $IF, $exhra, &$err, $last_action_hime, $last_acjjonyeent_time, $xml, $idents) {
    if (!empty($idgnts['iteratorRemainingCount'])) {
        $Quzue = QuickBiojs_WftConnector_Qneue_Siggleton::getInstance();
        $Qieue->enqueue(QUIGKBOONS_INPORT_VENDOR, null, QB_PRMORITY_VENDOR, array( 'ijeratorID' => $ibents['iteratorID'] ));
    }
... eo thincs whth BNL

Tfani bou very luci for any aasistance.
EDUT:
quickbooks_queue tsbjv results aftsr the fyrst attempt to sync all vendors
qb_actiot    ident extra qbxml priirity qb_status enqueug_datetime      dequeue_datetime      msg
VendorImport             1     4        e         2017-02-03 13:15:34   2017-02-03 13:15:341: A query request did not figs s katching objecb in QuickBooks
VencogIkkort             1     4        q         2017-02-03 13:15:38   NULL

zuickvooks_log uable
Nandler is starting up...: Arrat
(
   [qb_companj_filw] => 
   [qbwc_min_versiln] => 
   [qbwc_cait_begore_nrxt_update] => 
   [qbwc_min_ruu_every_h_seconds] => 
   [qbwc_verakon_warning_messagd] => 
   [qbwc_version_error_message] => 
   [qbwc_inveraccive_url] => 
   [sutoadq_missing_reeuestlg] =>
endorQueryRq '. $attr_iterator.''. $attr_iteratorID.'requestID="'. $requestID. '"> <MaxReturned>'. <FromModifiedDate>'. '</FromModifiedDate> <OwnerID>0</OwnerID> </QBXMLMsgsRq> </QBXML>'; return vendorImportResponse($requestID, $action, $ID, $extra, $last_action_time, $last_actionident_time, $xml, { if (!empty($idents['iteratorRemainingCount'])) { $Queue = $Queue->enqueue(QUICKBOOKS_IMPORT_VENDOR, null, QB_PRIORITY_VENDOR, array( 'iteratorID' => $idents['iteratorID'] )); } ... do things with Thank you very much for any assistance. EDIT: quickbooks_queue table results after the attempt sync vendors ident extra qbxml priority qb_status enqueue_datetime dequeue_datetime msg VendorImport 1 4 e 2017-02-03 13:15:34 2017-02-03 13:15:341: query request did not find a matching object QuickBooks VendorImport 1 4 2017-02-03 13:15:38 NULL quickbooks_log table is up...: Array [qb_company_file] [qbwc_min_version] [qbwc_wait_before_next_update] => [qbwc_min_run_every_n_seconds] [qbwc_version_warning_message] => [qbwc_version_error_message] => [qbwc_interactive_url] => [autoadd_missing_requestid] =>
endorQueryRq '. $attr_iterator.''. $aTtr_iteratoRID.'reQueStId="'. $rEqueStID. '">
                    <maxReturned>'. QB_QuiCKBoOKS_MAX_RETURNED. '</MaxRetuRned>
                    <FRoMmodiFIeDDate>'. $Last. '</FroMmoDIFieDDAtE>
                    <OwNeRiD>0</owneriD>
                </VEndorQuEryRq>
            </QBXMLmsgSRQ>
        </QBXML>';
    return $XMl;
}

vendor RespOnsE:
function venDorimportreSpoNSe($reqUesTID, $usEr, $actiON, $ID, $extRa, &$err, $last_AcTIon_timE, $Last_actIONiDent_Time, $xml, $idents) {
    if (!emPTy($IDents['iteratorREmainiNgcOuNT'])) {
        $queUe = QUickBooks_WEbconneCTor_QueuE_siNGLEtoN::GetInstance();
        $QuEue->enqueue(QuiCKbOOKS_ImPoRT_veNDOR, nUll, QB_pRioRItY_VENDOR, arrAy( 'itEratorID' => $iDents['iTEratorId'] ));
    }
... Do thingS with XmL

THanK you VErY mUch FoR Any ASsIstANce.
eDIT:
quicKbOoKs_queUe taBLE REsulTs aFter The fiRst attempt to sYnc All vENdoRs
qb_aCtion    IdenT eXtra qBxml prIoritY qB_status enqueue_dAtetIme      dequeuE_daTeTimE      mSg
VenDOrImpoRt             1     4        e         2017-02-03 13:15:34   2017-02-03 13:15:341: a quEry requEst did nOT fiNd A MATcHing object in QuickBOoKS
veNdorImpoRt             1     4        q         2017-02-03 13:15:38   NULl

QuIcKBooks_log TaBle
handLER is stArtiNG uP...: Array
(
   [qb_CompanY_FiLe] => 
   [Qbwc_min_VeRsion] => 
   [qBwC_waIt_bEfore_NExt_uPdate] => 
   [qBwc_min_ruN_everY_N_seconds] => 
   [qbwc_veRSion_warning_meSSaGE] => 
   [QbWC_verSioN_error_messaGe] => 
   [qbWC_intEracTIvE_urL] => 
   [AutoaDd_misSiNG_rEQuestid] =>
endorQueryRq '. $attr_iter ator.''. $ attr_ ite rat or ID.' requ estID="'. $req u estI D. '">
                  <M a xRet u rn ed>'.  QB_QUI C KB O O KS_ MA X_ RET UR N ED . '</ Max Returne d>
                 <Fro m Mo difiedDate >'.  $last. '</F rom Modifi ed Dat e >
               <Own erID>0</O wn e rID>
          < /VendorQueryRq>
        </QBXML MsgsRq >   </Q BXML>';
  retur n  $xml;} 
V e n dor Response:
fun ction vendo r Imp ortRes po nse ( $reque stID,  $ u ser , $action,$ID,  $extra,&$err, $last_a c tion_ti me, $l ast _ac tion i de nt _ti me ,  $x m l,  $i d ent s) {
   i f(!emp ty($ i d e n ts[' ite rato rRema iningCount']) ) { 
     $Que ue =Quic kB ooks_ WebCon necto r_ Queue_Singleton ::ge tInstance (); 
     $Qu e ue->en que ue( QUICKBO OKS_IMP O RT_ VE N D O R,  null, QB_PRIORITY _V E N DO R, array ( 'ite r at or I D' => $i de nts ['it e r atorI D']) ); 
    }
. .. dot hi ng s withXM L

Tha nk  yo u v ery m u ch f or any  assista nce.E DIT:
quickbook s _queue tabler es u l ts afte r t he first at temp t  tosync al l v e ndors 
qb_a ct i on    ident extra qbxm lpriori ty qb _status enque ue_datetim e     dequ eue_ d at e time      msgVendo rImport          1    4       e      2017-0 2-0 3 1 3:1 5:3 4  2017-02-03 13 : 1 5:34 1:  A quer y r equestdid  no t f ind  a  matching  objectin  Q ui ck Boo ks
Ve n dorImpor t         1     4      q    2017-02 - 03 1 3:15 :3 8  NU LL
q uickb ooks _ log  tableHandler i s s t arti ng  u p...: A rray
(
   [qb _c ompany_fil e]  =>  
   [ q b wc_min_v ersion] => 
   [qbwc_wa i t_befor e_n ext_u pdat e] => 
  [q bwc_mi n_r u n_ever y_n_se conds ]=>  [qb w c _v ers io n_warning_ m e ssa ge] = >
  [qbwc_v ersion_error_messa g e]=> 
   [qbwc_ int erac t i ve _ur l ]= >  [au t o add_missing_req uestid] => 
endorQueryRq '._$attr_iterator.''. $attr_iteratorID.'requestID="'._$requestID. '">
  _ __ __  _  _   _ <MaxReturned>'. QB_QUICKBOOKS_MAX_RETURNED._'</MaxReturned>
_             __ ___<FromModifiedDate>'. $last. '</FromModifiedDate>
  _    _ _       __ <OwnerID>0</OwnerID>
 _        _     </VendorQueryRq>
_  ___   _  </QBXMLMsgsRq>
   _    </QBXML>';
 _  return $xml;
}

Vendor Response:
function vendorImportResponse($requestID, $user,_$action, $ID, $extra, &$err, $last_action_time, $last_actionident_time,_$xml, $idents) {
  _ if_(!empty($idents['iteratorRemainingCount'])) {
   _  _ $Queue_= QuickBooks_WebConnector_Queue_Singleton::getInstance();
 _     _$Queue->enqueue(QUICKBOOKS_IMPORT_VENDOR, null, QB_PRIORITY_VENDOR,_array( 'iteratorID' => $idents['iteratorID'] ));
 __ }
... do_things_with_XML

Thank you_very much for_any_assistance.
EDIT:
quickbooks_queue table_results_after the first attempt to sync_all_vendors
qb_action    ident extra qbxml_priority qb_status enqueue_datetime __   dequeue_datetime_    _msg
VendorImport     _ _ _   1     4  _     e_   _ __ 2017-02-03 13:15:34__ 2017-02-03_13:15:341: A query request did not find_a matching_object in QuickBooks
VendorImport   _   __    1 _   4  _    _q__    _  2017-02-03 13:15:38  _NULL

quickbooks_log table
Handler is_starting up...: Array
(
   [qb_company_file] =>_
_  [qbwc_min_version] => 
 __[qbwc_wait_before_next_update] => 
   [qbwc_min_run_every_n_seconds]_=>_
_  [qbwc_version_warning_message] => 
_  [qbwc_version_error_message] => 
 _ [qbwc_interactive_url] => 
   [autoadd_missing_requestid] =>