{
  "resourceType": "SearchParameter",
  "id": "filter",
  "text": {
    "status": "generated",
    "div": "\u003cdiv xmlns\u003d\"http://www.w3.org/1999/xhtml\"\u003e\u003cp\u003e\u003cb\u003eGenerated Narrative: SearchParameter\u003c/b\u003e\u003ca name\u003d\"filter\"\u003e \u003c/a\u003e\u003c/p\u003e\u003cdiv style\u003d\"display: inline-block; background-color: #d9e0e7; padding: 6px; margin: 4px; border: 1px solid #8da1b4; border-radius: 5px; line-height: 60%\"\u003e\u003cp style\u003d\"margin-bottom: 0px\"\u003eResource SearchParameter \u0026quot;filter\u0026quot; \u003c/p\u003e\u003c/div\u003e\u003cp\u003e\u003cb\u003eurl\u003c/b\u003e: \u003ccode\u003ehttp://hl7.org/fhir/SearchParameter/filter\u003c/code\u003e\u003c/p\u003e\u003cp\u003e\u003cb\u003eversion\u003c/b\u003e: 1\u003c/p\u003e\u003cp\u003e\u003cb\u003ename\u003c/b\u003e: FilterSearchParameter\u003c/p\u003e\u003cp\u003e\u003cb\u003etitle\u003c/b\u003e: Filter Search Parameter\u003c/p\u003e\u003cp\u003e\u003cb\u003estatus\u003c/b\u003e: draft\u003c/p\u003e\u003cp\u003e\u003cb\u003eexperimental\u003c/b\u003e: false\u003c/p\u003e\u003cp\u003e\u003cb\u003edate\u003c/b\u003e: 2018-07-26\u003c/p\u003e\u003cp\u003e\u003cb\u003epublisher\u003c/b\u003e: Health Level Seven International (FHIR Infrastructure)\u003c/p\u003e\u003cp\u003e\u003cb\u003econtact\u003c/b\u003e: FHIR Project: \u003ca href\u003d\"http://hl7.org/fhir\"\u003ehttp://hl7.org/fhir\u003c/a\u003e\u003c/p\u003e\u003cp\u003e\u003cb\u003edescription\u003c/b\u003e: 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)\u003c/p\u003e\u003cp\u003e\u003cb\u003epurpose\u003c/b\u003e: Support combination searches when the simple name\u003dvalue basis of search cannot express what is required\u003c/p\u003e\u003cp\u003e\u003cb\u003ecode\u003c/b\u003e: _filter\u003c/p\u003e\u003cp\u003e\u003cb\u003ebase\u003c/b\u003e: Resource\u003c/p\u003e\u003cp\u003e\u003cb\u003etype\u003c/b\u003e: special\u003c/p\u003e\u003c/div\u003e"
  },
  "url": "http://hl7.org/fhir/SearchParameter/filter",
  "version": "1",
  "name": "FilterSearchParameter",
  "title": "Filter Search Parameter",
  "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\u003dvalue basis of search cannot express what is required",
  "code": "_filter",
  "base": [
    "Resource"
  ],
  "type": "special"
}