This page is part of the FHIR Specification (v3.5.0: R4 Ballot #2). 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
FHIR Infrastructure Work Group | Maturity Level: N/A | Ballot Status: Informative | Compartments: Not linked to any defined compartments |
Raw JSON (canonical form + also see JSON Format Specification)
Formal Definition for _filter parameter
{ "resourceType": "SearchParameter", "id": "filter", "text": { "status": "generated", "div": "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p><b>Generated Narrative with Details</b></p><p><b>id</b>: filter</p><p><b>url</b>: <b>http://hl7.org/fhir/SearchParameter/filter</b></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>: 26/07/2018</p><p><b>publisher</b>: Health Level Seven International (FHIR Infrastructure)</p><p><b>contact</b>: </p><p><b>description</b>: 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)</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>" }, "url": "http://hl7.org/fhir/SearchParameter/filter", "version": "1", "name": "FilterSearchParameter", "status": "draft", "experimental": false, "date": "2018-07-26", "publisher": "Health Level Seven International (FHIR Infrastructure)", "contact": [ { "name": "FHIR Project", "telecom": [ { "system": "url", "value": "http://hl7.org/fhir" } ] } ], "description": "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": "Support combination searches when the simple name=value basis of search cannot express what is required", "code": "_filter", "base": [ "Resource" ], "type": "special" }
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.