<SearchParameter xmlns="http://hl7.org/fhir">
  <id value="spark719" />
  <meta>
    <versionId value="spark719" />
    <lastUpdated value="2015-10-02T12:43:03.264+00:00" />
  </meta>
  <url value="http://hl7.org/fhir/SearchParameter/Observation-date" />
  <name value="date" />
  <publisher value="Health Level Seven International (Orders and Observations)" />
  <contact>
    <telecom>
      <system value="other" />
      <value value="http://hl7.org/fhir" />
    </telecom>
  </contact>
  <contact>
    <telecom>
      <system value="other" />
      <value value="http://www.hl7.org/Special/committees/orders/index.cfm" />
    </telecom>
  </contact>
  <date value="2015-09-22T13:47:23+10:00" />
  <code value="date" />
  <base value="Observation" />
  <type value="date" />
  <description value="Obtained date/time. If the obtained element is a period, a date that falls in the period" />
  <xpath value="f:Observation/f:effectiveDateTime | f:Observation/f:effectivePeriod" />
  <xpathUsage value="normal" />
</SearchParameter>