{
  "resourceType": "StructureDefinition",
  "id": "questionnaire-lookupQuestionnaire",
  "extension": [
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
      "valueCode": "fhir"
    },
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
      "valueInteger": 1
    }
  ],
  "url": "http://hl7.org/fhir/StructureDefinition/questionnaire-lookupQuestionnaire",
  "name": "lookupQuestionnaire",
  "status": "draft",
  "publisher": "HL7",
  "contact": [
    {
      "telecom": [
        {
          "system": "url",
          "value": "http://www.hl7.org"
        }
      ]
    }
  ],
  "description": "For items of type reference, the reference can be populated either by picking an existing entity or by creating a new one.  In the latter case, this Questionnaire allows specifying the Questionnaire to use in creating the target instance.  This can be direct (if the Reference is to a Questionnaire) or indirect via mapping if the Reference is to some other sort of resource.",
  "fhirVersion": "3.0.0",
  "mapping": [
    {
      "identity": "rim",
      "uri": "http://hl7.org/v3",
      "name": "RIM Mapping"
    }
  ],
  "kind": "complex-type",
  "abstract": false,
  "contextType": "resource",
  "context": [
    "Questionnaire.item",
    "Questionnaire.item.item"
  ],
  "contextInvariant": [
    "type='reference'"
  ],
  "type": "Extension",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Extension",
        "path": "Extension",
        "short": "Questionnaire to populate a reference",
        "definition": "For items of type reference, the reference can be populated either by picking an existing entity or by creating a new one.  In the latter case, this Questionnaire allows specifying the Questionnaire to use in creating the target instance.  This can be direct (if the Reference is to a Questionnaire) or indirect via mapping if the Reference is to some other sort of resource.",
        "min": 0,
        "max": "1",
        "mapping": [
          {
            "identity": "rim",
            "map": "N/A (MIF-level)"
          }
        ]
      },
      {
        "id": "Extension.extension",
        "path": "Extension.extension",
        "max": "0"
      },
      {
        "id": "Extension.url",
        "path": "Extension.url",
        "type": [
          {
            "code": "uri"
          }
        ],
        "fixedUri": "http://hl7.org/fhir/StructureDefinition/questionnaire-lookupQuestionnaire"
      },
      {
        "id": "Extension.valueUri",
        "path": "Extension.valueUri",
        "type": [
          {
            "code": "uri"
          }
        ]
      }
    ]
  }
}