---
type: "search-params"
title: "AuditEvent Search Parameters"
resource: "AuditEvent"
---
# AuditEvent Search Parameters

<a id="action"></a>

## action
**Description:** Type of action performed during the event

**Type:** token

**Expression:** AuditEvent.action

**Path:** AuditEvent.action

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/AuditEvent-action


<a id="agent"></a>

## agent
**Description:** Identifier of who

**Type:** reference

**Expression:** AuditEvent.agent.who

**Path:** AuditEvent.agent.who

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/AuditEvent-agent


<a id="agent-role"></a>

## agent-role
**Description:** Agent role in the event

**Type:** token

**Expression:** AuditEvent.agent.role

**Path:** AuditEvent.agent.role

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/AuditEvent-agent-role


<a id="based-on"></a>

## based-on
**Description:** Reference to the service request.

**Type:** reference

**Expression:** AuditEvent.basedOn

**Path:** AuditEvent.basedOn

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/AuditEvent-based-on


<a id="date"></a>

## date
**Description:** Time when the event was recorded

**Type:** date

**Expression:** AuditEvent.recorded

**Path:** AuditEvent.recorded

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/AuditEvent-date


<a id="encounter"></a>

## encounter
**Description:** Encounter related to the activity recorded in the AuditEvent

**Type:** reference

**Expression:** AuditEvent.encounter

**Path:** AuditEvent.encounter

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/AuditEvent-encounter


<a id="entity"></a>

## entity
**Description:** Specific instance of resource

**Type:** reference

**Expression:** AuditEvent.entity.what

**Path:** AuditEvent.entity.what

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/AuditEvent-entity


<a id="entity-role"></a>

## entity-role
**Description:** What role the entity played

**Type:** token

**Expression:** AuditEvent.entity.role

**Path:** AuditEvent.entity.role

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/AuditEvent-entity-role


<a id="outcome"></a>

## outcome
**Description:** Whether the event succeeded or failed

**Type:** token

**Expression:** AuditEvent.outcome.code

**Path:** AuditEvent.outcome.code

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/AuditEvent-outcome


<a id="patient"></a>

## patient
**Description:** Where the activity involved patient data

**Type:** reference

**Expression:** AuditEvent.patient

**Path:** AuditEvent.patient

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/AuditEvent-patient


<a id="policy"></a>

## policy
**Description:** Policy that authorized event

**Type:** uri

**Expression:** AuditEvent.agent.policy

**Path:** AuditEvent.agent.policy

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/AuditEvent-policy


<a id="purpose"></a>

## purpose
**Description:** The authorization (purposeOfUse) of the event

**Type:** token

**Expression:** AuditEvent.authorization | AuditEvent.agent.authorization

**Path:** AuditEvent.authorization,AuditEvent.agent.authorization

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/AuditEvent-authorization


<a id="source"></a>

## source
**Description:** The identity of source detecting the event

**Type:** reference

**Expression:** AuditEvent.source.observer

**Path:** AuditEvent.source.observer

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/AuditEvent-source


<a id="subtype"></a>

## subtype
**Description:** More specific code for the event

**Type:** token

**Expression:** AuditEvent.subtype

**Path:** AuditEvent.subtype

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/AuditEvent-subtype


<a id="type"></a>

## type
**Description:** Type (category) of event

**Type:** token

**Expression:** AuditEvent.type

**Path:** AuditEvent.type

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/AuditEvent-type


<a id="entity-desc"></a>

## entity-desc
**Description:** Description of an entity

**Type:** string

**Expression:** AuditEvent.entity.description

**Path:** AuditEvent.entity.description

**Standards Status:** normative

**URL:** http://hl7.org/fhir/build/SearchParameter/AuditEvent-entity-desc