{
  "resourceType": "StructureDefinition",
  "url": "http://example.org/fhir/StructureDefinition/MyImmunization",
  "name": "MyImmunization",
  "status": "draft",
  "experimental": true,
  "fhirVersion": "4.0.1",
  "mapping": [
    {
      "identity": "workflow",
      "uri": "http://hl7.org/fhir/workflow",
      "name": "Workflow Pattern"
    },
    {
      "identity": "v2",
      "uri": "http://hl7.org/v2",
      "name": "HL7 v2 Mapping"
    },
    {
      "identity": "rim",
      "uri": "http://hl7.org/v3",
      "name": "RIM Mapping"
    },
    {
      "identity": "w5",
      "uri": "http://hl7.org/fhir/fivews",
      "name": "FiveWs Pattern Mapping"
    },
    {
      "identity": "cda",
      "uri": "http://hl7.org/v3/cda",
      "name": "CDA (R2)"
    }
  ],
  "kind": "resource",
  "abstract": false,
  "type": "Immunization",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Immunization",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Immunization.vaccineCode.coding.system",
        "path": "Immunization.vaccineCode.coding.system",
        "fixedUri": "http://snomed.info/sct"
      },
      {
        "id": "Immunization.vaccineCode.coding.code",
        "path": "Immunization.vaccineCode.coding.code",
        "fixedCode": "1119349007",
        "mustSupport": true
      },
      {
        "id": "Immunization.patient.identifier",
        "path": "Immunization.patient.identifier",
        "min": 1
      },
      {
        "id": "Immunization.occurrence[x]",
        "path": "Immunization.occurrence[x]",
        "mustSupport": true
      },
      {
        "id": "Immunization.reportOrigin.coding.system",
        "path": "Immunization.reportOrigin.coding.system",
        "fixedUri": "http://snomed.info/sct"
      },
      {
        "id": "Immunization.site.coding.system",
        "path": "Immunization.site.coding.system",
        "fixedUri": "http://snomed.info/sct"
      }
    ]
  }
}