{
  "resourceType": "StructureDefinition",
  "id": "WaterFilterReplaced",
  "url": "http://example.org/fhir/StructureDefinition/WaterFilterReplaced",
  "version": "1.0.0",
  "name": "WaterFilterReplaced",
  "status": "draft",
  "fhirVersion": "5.0.0",
  "kind": "resource",
  "abstract": false,
  "type": "Bundle",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Bundle",
  "derivation": "constraint",
  "differential": {
    "element": [
      {
        "id": "Bundle.type",
        "path": "Bundle.type",
        "min": 1,
        "fixedCode": "collection"
      },
      {
        "id": "Bundle.identifier.type.text",
        "path": "Bundle.identifier.type.text",
        "min": 1,
        "patternString": "Water Filter Replaced"
      },
      {
        "id": "Bundle.entry.resource",
        "path": "Bundle.entry.resource",
        "type": [
          {
            "code": "Procedure"
          },
          {
            "code": "Device"
          },
          {
            "code": "Practitioner"
          }
        ]
      },
      {
        "id": "Bundle.entry.resource.Procedure.status",
        "path": "Bundle.entry.resource.Procedure.status",
        "min": 1,
        "patternCode": "completed"
      },
      {
        "id": "Bundle.entry.resource.Procedure.occurrenceDateTime",
        "path": "Bundle.entry.resource.Procedure.occurrenceDateTime",
        "min": 1,
        "type": [
          {
            "code": "dateTime"
          }
        ]
      },
      {
        "id": "Bundle.entry.resource.Device.manufacturer",
        "path": "Bundle.entry.resource.Device.manufacturer",
        "min": 1
      },
      {
        "id": "Bundle.entry.resource.Device.name.value",
        "path": "Bundle.entry.resource.Device.name.value",
        "min": 1
      },
      {
        "id": "Bundle.entry.resource.Device.expirationDate",
        "path": "Bundle.entry.resource.Device.expirationDate",
        "min": 0,
        "type": [
          {
            "code": "date"
          }
        ]
      },
      {
        "id": "Bundle.entry.resource.Practitioner.identifier.value",
        "path": "Bundle.entry.resource.Practitioner.identifier.value",
        "min": 1,
        "patternString": "Operator_ID"
      }
    ]
  }
}