This page is part of the FHIR Specification (v1.8.0: STU 3 Draft). The current version which supercedes this version is 5.0.0.  For a full list of available versions, see the Directory of published versions 
SearchParameter deReference
{
  "resourceType": "SearchParameter",
  "id": "questionnaire-extensions-Questionnaire-deReference",
  "url": "http://hl7.org/fhir/SearchParameter/questionnaire-extensions-Questionnaire-deReference",
  "name": "deReference",
  "status": "draft",
  "experimental": true,
  "code": "deReference",
  "type": "token",
  "description": "A data element referenced by one of the questions in the questionnaire",
  "xpath": "f:Questionnaire/f:item/f:extension[@url='http://hl7.org/fhir/StructureDefinition/questionnaire-deReference'] | f:Questionnaire/f:item/f:item/f:extension[@url='http://hl7.org/fhir/StructureDefinition/questionnaire-deReference'] | /f:#deReference",
  "xpathUsage": "normal"
}
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.