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<?xml version='1.0' encoding='utf-8'?>
<!DOCTYPE section [
<!ENTITY % myent SYSTEM "../entities.ent">
%myent;
]>
<section xmlns="http://docbook.org/ns/docbook" version="5.0"
        xmlns:xi="http://www.w3.org/2001/XInclude">
        <title>selectXPath</title>
        <para>Selects xmlfragements, nodes, attribute or text from xml data using an XPath expression.
        This function requires namespaces to be declared correctly.</para>
        <para>
        Sample request:
<programlisting language="xml"><![CDATA[
<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" 
xmlns:ws="http://ws.xservices.brutex.net">
   <soapenv:Header/>
   <soapenv:Body>
      <ws:selectXPath>
         <sourcexml>
         <![CDATA[<notes xmlns="http://demo.brutex.net" xmlns:bx="http://bx.brutex.net">
        <bx:note>
                <to>Lena</to>
                <from>Jani</from>
                <heading>Reminder ABC</heading>
                <body>Don't forget me this weekend!</body>
        </bx:note>
        <note>
                <to>John</to>
                <from>Lena</from>
                <heading>Call Mr. ABC</heading>
                <body>Please call back</body>
        </note>
        <bx:note>
                <to>Brian</to>
                <from>JJohn</from>
                <heading>Reminder XServices</heading>
                <body>How to use selectXPath?</body>
        </bx:note>
</notes>
]]]]><![CDATA[>
                </sourcexml>
         <encoding>utf-8</encoding>
         <namespaceList>
            <namespace>
               <prefix>ns</prefix>
               <uri>http://demo.brutex.net</uri>
            </namespace>
            <namespace>
               <prefix>bx</prefix>
               <uri>http://bx.brutex.net</uri>
            </namespace>
         </namespaceList>
         <xpath>*/bx:note/ns:heading/text()</xpath>
      </ws:selectXPath>
   </soapenv:Body>
</soapenv:Envelope>
]]></programlisting>
        Sample response:
        <programlisting language="xml"><![CDATA[
<soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
   <soap:Body>
      <ns2:selectXPathResponse xmlns:ns2="http://ws.xservices.brutex.net">
         <return>
            <stringlist>Reminder ABC</stringlist>
            <stringlist>Reminder XServices</stringlist>
            <size>2</size>
         </return>
      </ns2:selectXPathResponse>
   </soap:Body>
</soap:Envelope>
]]></programlisting>
</para>
</section>

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