{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "PatientRecordUpdated",
  "type": "object",
  "required": ["eventId", "eventType", "timestamp", "version", "data"],
  "properties": {
    "eventId": {
      "type": "string",
      "format": "uuid"
    },
    "eventType": {
      "type": "string",
      "const": "PatientRecordUpdated"
    },
    "timestamp": {
      "type": "string",
      "format": "date-time"
    },
    "version": {
      "type": "string"
    },
    "data": {
      "type": "object",
      "required": ["patientId", "mrn", "updateType", "updatedBy"],
      "properties": {
        "patientId": {
          "type": "string",
          "description": "Internal patient identifier"
        },
        "mrn": {
          "type": "string",
          "description": "Medical Record Number"
        },
        "updateType": {
          "type": "string",
          "enum": ["demographics", "allergy", "medication", "problem", "encounter", "immunization"]
        },
        "resourceType": {
          "type": "string",
          "description": "FHIR resource type"
        },
        "resourceId": {
          "type": "string"
        },
        "updatedBy": {
          "type": "string",
          "description": "Provider or user ID who made the update"
        },
        "facilityId": {
          "type": "string"
        }
      }
    }
  }
}