AuditEvent resource (FHIR R4)

AuditEvent is the FHIR R4 resource for a record of an event made for purposes of maintaining a security log.

Resource	AuditEvent
FHIR version	R4 (4.0.1)
Canonical URL	http://hl7.org/fhir/StructureDefinition/AuditEvent
Required elements	type (1..1), recorded (1..1), agent (1..*), source (1..1)

Example

{
  "resourceType": "AuditEvent",
  "id": "auditevent-61ed01351bf823b8a9866e680c38fe4a",
  "type": {
    "system": "http://example.org/pidgeon/synthetic"
  },
  "recorded": "2026-07-01T12:00:00.000Z",
  "agent": [
    {
      "requestor": true
    }
  ],
  "source": {
    "observer": {
      "reference": "PractitionerRole/practitionerrole-fff63d4fe3ad1e956b9c2d7cf5019df5"
    }
  }
}

Generated by the Pidgeon engine: pidgeon generate AuditEvent --seed 20260722.

Validation context

strict pidgeon validate grades a AuditEvent instance against the base R4 structure definition: missing required elements raise REQUIRED_FIELD_MISSING and cardinality violations raise CARDINALITY_MIN or CARDINALITY_MAX.(REQUIRED_FIELD_MISSING)

This answer, in your terminal

pidgeon lookup AuditEvent

Wire it into your AI agent:

claude mcp add pidgeon -- npx -y @pidgeonhealth/mcp

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