{
  "resourceType": "StructureDefinition",
  "url": "https://anagrafe.ssr.toscana.it/fhir/StructureDefinition/element-Period",
  "name": "Element_Period",
  "title": "element-Period",
  "status": "active",
  "experimental": false,
  "description": "General purpose extension to add validity periods to a FHIR element, e.g: Patient.GeneralPractitioner.period",
  "fhirVersion": "4.0.1",
  "kind": "complex-type",
  "abstract": false,
  "context": [
    {
      "type": "element",
      "expression": "Period"
    },
    {
      "type": "element",
      "expression": "Patient.generalPractitioner"
    },
    {
      "type": "element",
      "expression": "Patient.managingOrganization"
    },
    {
      "type": "element",
      "expression": "Patient.meta.security"
    }
  ],
  "type": "Extension",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Extension.url",
        "path": "Extension.url",
        "fixedUri": "https://anagrafe.ssr.toscana.it/fhir/StructureDefinition/element-Period"
      },
      {
        "id": "Extension.value[x]",
        "path": "Extension.value[x]",
        "type": [
          {
            "code": "Period"
          }
        ]
      }
    ]
  }
}