{
  "resourceType": "Questionnaire",
  "id": "client-registration-sample",
  "language": "en",
  "status": "active",
  "date": "2020-11-18T07:24:47.111Z",
  "subjectType": [
    "Patient"
  ],
  "extension": [
    {
      "url": "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-entryMode",
      "valueCode": "prior-edit"
    }
  ],
  "item": [
    {
      "extension": [
        {
          "url": "http://hl7.org/fhir/StructureDefinition/minValue",
          "_valueDate": {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/cqf-calculatedValue",
                "valueExpression": {
                  "language": "text/fhirpath",
                  "expression": "@Patient.birthDate"
                }
              }
            ]
          }
        },
        {
          "url": "http://hl7.org/fhir/StructureDefinition/maxValue",
          "_valueDate": {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/cqf-calculatedValue",
                "valueExpression": {
                  "language": "text/fhirpath",
                  "expression": "today()"
                }
              }
            ]
          }
        }
      ],
      "linkId": "test-date",
      "text": "Test Date",
      "type": "date",
      "required": true
    }
  ]
}