Release 4B

This page is part of the FHIR Specification (v4.3.0: R4B - STU). The current version which supercedes this version is 5.0.0. For a full list of available versions, see the Directory of published versions . Page versions: R5 R4B R4

Searchparameter-filter.xml

FHIR Infrastructure Work GroupMaturity Level: N/AStandards Status: InformativeCompartments: Not linked to any defined compartments

Raw XML (canonical form + also see XML Format Specification)

Jump past Narrative

Formal Definition for _filter parameter (id = "filter")

<?xml version="1.0" encoding="UTF-8"?>

<SearchParameter xmlns="http://hl7.org/fhir">
  <id value="filter"/> 
  <text> 
    <status value="generated"/> 
    <div xmlns="http://www.w3.org/1999/xhtml">
      <p> 
        <b> Generated Narrative</b> 
      </p> 
      <div style="display: inline-block; background-color: #d9e0e7; padding: 6px; margin: 4px; border: 1px
       solid #8da1b4; border-radius: 5px; line-height: 60%">
        <p style="margin-bottom: 0px">Resource &quot;filter&quot; </p> 
      </div> 
      <p> 
        <b> url</b> : 
        <code> http://hl7.org/fhir/SearchParameter/filter</code> 
      </p> 
      <p> 
        <b> version</b> : 1
      </p> 
      <p> 
        <b> name</b> : FilterSearchParameter
      </p> 
      <p> 
        <b> status</b> : draft
      </p> 
      <p> 
        <b> experimental</b> : false
      </p> 
      <p> 
        <b> date</b> : 2018-07-26
      </p> 
      <p> 
        <b> publisher</b> : Health Level Seven International (FHIR Infrastructure)
      </p> 
      <p> 
        <b> contact</b> : FHIR Project: 
        <a href="http://hl7.org/fhir">http://hl7.org/fhir</a> 
      </p> 
      <p> 
        <b> description</b> : This is the formal declaration for the _filter parameter, documented at [http://hl7.org/fhir/searc
        h_filter.html](http://hl7.org/fhir/search_filter.html)
      </p> 
      <p> 
        <b> purpose</b> : Support combination searches when the simple name=value basis of search cannot express
         what is required
      </p> 
      <p> 
        <b> code</b> : _filter
      </p> 
      <p> 
        <b> base</b> : Resource
      </p> 
      <p> 
        <b> type</b> : special
      </p> 
    </div> 
  </text> 
  <url value="http://hl7.org/fhir/SearchParameter/filter"/> 
  <version value="1"/> 
  <name value="FilterSearchParameter"/> 
  <status value="draft"/> 
  <experimental value="false"/> 
  <date value="2018-07-26"/> 
  <publisher value="Health Level Seven International (FHIR Infrastructure)"/> 
  <contact> 
    <name value="FHIR Project"/> 
    <telecom> 
      <system value="url"/> 
      <value value="http://hl7.org/fhir"/> 
    </telecom> 
  </contact> 
  <description value="This is the formal declaration for the _filter parameter, documented at [http://hl7.org/fhir/search_
  filter.html](http://hl7.org/fhir/search_filter.html)"/> 
  <purpose value="Support combination searches when the simple name=value basis of search cannot express
   what is required"/> 
  <code value="_filter"/> 
  <base value="Resource"/> 
  <type value="special"/> 
</SearchParameter> 

Usage note: every effort has been made to ensure that the examples are correct and useful, but they are not a normative part of the specification.