Genuine, Honest-to-Ada, Taleo MTOM/XOP export example

Because this has been vexing me for months.

So the key here is that you have two Document elements. One in the SOAP envelope, and one in the attachment. Your Attributes (gotta have those) go in the Document element in the attachment.
POST https://your-client-id.taleo.net/enterprise/soap?ServiceName=IntegrationManagementService HTTP/1.1 Authorization: Basic XXXXXXXXXXXXXXXXXXXX User-Agent: libwww-perl/6.15 Content-Type: multipart/related; boundary=MIME-boundary-4180; type="application/xop+xml"; start="<xml@localhost>"; start-info="text/xml; charset=utf-8" SOAPAction: "http://www.taleo.com/ws/integration/toolkit/2011/05/management/IntegrationManagementService#submitLargeDocument" X-LWP-Version: 6.15 X-XML-Compile-Cache-Version: 1.04 X-XML-Compile-SOAP-Version: 3.18 X-XML-Compile-Version: 1.52 X-XML-LibXML-Version: 2.0126 --MIME-boundary-4180 Content-Type: application/xop+xml; charset="utf-8"; type="text/xml; charset=utf-8" Content-ID: <xml@localhost> Content-Transfer-Encoding: 8bit <?xml version="1.0"?> <soap11:Envelope xmlns:soap11="http://schemas.xmlsoap.org/soap/envelope/"> <soap11:Header> <wsa:MessageID xmlns:wsa="http://www.w3.org/2005/03/addressing">Query-Export-30F84EB0-957D-11E6-BEE2-84322521867A</wsa:MessageID> <wsa:ReplyTo xmlns:wsa="http://www.w3.org/2005/03/addressing"> <wsa:Address>http://www.taleo.com/ws/integration/toolkit/2005/07/addressing/queue</wsa:Address> </wsa:ReplyTo> <wsa:Action xmlns:wsa="http://www.w3.org/2005/03/addressing">http://www.taleo.com/ws/integration/toolkit/2005/07/action/export</wsa:Action> </soap11:Header> <soap11:Body> <tns0:submitLargeDocument xmlns:tns0="http://www.taleo.com/ws/integration/toolkit/2011/05/management" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> <tns0:Document xmlns:xmime="http://www.w3.org/2005/05/xmlmime" xmime:contentType="text/xml"> <xop:Include xmlns:xop="http://www.w3.org/2004/08/xop/include" href="cid:1476827562@localhost"/> </tns0:Document> </tns0:submitLargeDocument> </soap11:Body> </soap11:Envelope> --MIME-boundary-4180 Content-Type: text/xml Content-ID: <1476827562@localhost> Content-Transfer-Encoding: binary <Document xmlns="http://www.taleo.com/ws/integration/toolkit/2011/05"> <Attributes> <Attribute name="version">http://www.taleo.com/ws/tee800/2009/01</Attribute> <Attribute name="mode">T-XML</Attribute> </Attributes> <Content> <ExportQuery xmlns="http://www.taleo.com/ws/integration/toolkit/2005/07/action/export"> <query xmlns="http://www.taleo.com/ws/integration/query" projectedClass="Candidate" alias="Export_30F84EB0-957D-11E6-BEE2-84322521867A_20161018165240" preventDuplicates="false"> <projections> <projection> <field path="EmailAddress" localeFiltering="none"/> </projection> <projection> <field path="Number" localeFiltering="none"/> </projection> </projections> <filterings> <filtering> <equal> <field path="Number"/> <integer>12345</integer> </equal> </filtering> </filterings> </query> </ExportQuery> </Content> </Document> --MIME-boundary-4180--