{
  "package" : "hl7.fhir.uv.extensions@5.2.0",
  "definition" : "A control where choices are listed with a box beside them.  The box can be toggled to select or de-select a given choice.  Multiple selections may be possible.  Commonly useful for repeating items of type constrained by answerOption, answerValueset or answerExpression, however can also be used for boolean (if the checkbox is a 3-state control that allows 'unanswered' as a possibility).",
  "system" : "http://hl7.org/fhir/questionnaire-item-control",
  "property" : [ {
    "_uri" : "http://hl7.org/fhir/concept-properties#parent",
    "code" : "parent",
    "_implicit" : true,
    "valueCode" : "question"
  } ],
  "codesystem" : "830d781d-3791-5fb1-97b8-cba39ddcc726",
  "concept_id" : "d8543ef1-c5cf-5383-b6be-033ecc84eb2a",
  "ancestors" : {
    "question" : 1,
    "check-box" : 0
  },
  "id" : "e679df62-6652-4a57-9336-b9aaf521849b",
  "code" : "check-box",
  "display" : "Check-box",
  "version" : "5.2.0"
}