{
  "package" : "hl7.fhir.r5.core@5.0.0",
  "definition" : "The end user must choose one and only one of the selectable actions in the group. The user SHALL NOT choose none of the actions in the group.",
  "system" : "http://hl7.org/fhir/action-selection-behavior",
  "property" : [ ],
  "codesystem" : "4e964887-5a53-560a-b903-c5a48057d0fb",
  "concept_id" : "55f09e55-0bc4-5e01-8fba-5102e1e18337",
  "ancestors" : {
    "exactly-one" : 0
  },
  "id" : "9dc1c850-33a9-4b9b-8b3c-4f41891267a6",
  "code" : "exactly-one",
  "display" : "Exactly One",
  "version" : "5.0.0"
}