Soap Service to find a item

Content

I don't know how to use the Soap service to to find an item. Anyone could you please give an example. Thank you.

<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/&quot; xmlns:typ="http://xmlns.oracle.com/apps/scm/productModel/items/itemServiceV2/types/&quot; xmlns:typ1="http://xmlns.oracle.com/adf/svc/types/"&gt;
   <soapenv:Header/>
   <soapenv:Body>
      <typ:findItem>
         <typ:findCriteria>
            <typ1:fetchStart>0</typ1:fetchStart>
            <typ1:fetchSize>-1</typ1:fetchSize>
            <!--Optional:-->
            <typ1:filter>
               <!--Optional:-->
               <typ1:conjunction>?</typ1:conjunction>
               <!--1 or more repetitions:-->
               <typ1:group>
                  <!--Optional:-->
                  <typ1:conjunction>?</typ1:conjunction>
                  <typ1:upperCaseCompare>false</typ1:upperCaseCompare>