{
  "resourceType": "StructureDefinition",
  "url": "http://lswebworld.com/fhir/StructureDefinition/IGObservation",
  "name": "DDIGtutorialObservation",
  "status": "draft",
  "fhirVersion": "4.0.0",
  "kind": "resource",
  "abstract": false,
  "type": "Observation",
  "baseDefinition": "http://devdays-example-ig.com/fhir/StructureDefinition/DevDaysIGtutorial-Observation",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Observation.issued",
        "path": "Observation.issued",
        "min": 1
      }
    ]
  }
}