<?xml version="1.0" encoding="UTF-8"?><Parameters xmlns="http://hl7.org/fhir">
  <id value="example"/>
  <parameter>
    <name value="start"/>
    <valueDate value="2010-01-01"/>
  </parameter> 
  <parameter>
    <name value="end"/>
    <resource>
      <Binary>
        <contentType value="text/plain"/>
        <content value="VGhpcyBpcyBhIHRlc3QgZXhhbXBsZQ=="/>
      </Binary>
    </resource>
  </parameter> 
</Parameters>