{
  "resourceType" : "Group",
  "id" : "example-patientlist",
  "text" : {
    "status" : "additional",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\">\n      <p>All patients primarily attributed to Practitioner 123</p>\n    </div>"
  },
  "extension" : [{
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode" : "fhir"
  }],
  "publisher" : "HL7 International / FHIR Infrastructure",
  "contact" : [{
    "telecom" : [{
      "system" : "url",
      "value" : "http://www.hl7.org/Special/committees/fiwg"
    }]
  }],
  "type" : "person",
  "membership" : "enumerated",
  "characteristic" : [{
    "code" : {
      "coding" : [{
        "system" : "http://example.org",
        "code" : "attributed-to"
      }],
      "text" : "Patients primarily attributed to"
    },
    "valueReference" : {
      "reference" : "Practitioner/123"
    },
    "exclude" : false
  }]
}