Release 5

This page is part of the FHIR Specification (v5.0.0: R5 - STU). This is the current published version. For a full list of available versions, see the Directory of published versions . Page versions: R5 R4B

2.13.12 Resource SubscriptionStatus - Detailed Descriptions

FHIR Infrastructure icon Work Group Maturity Level: 2 Trial Use Security Category: Business Compartments: No defined compartments

Detailed Descriptions for the elements in the SubscriptionStatus resource.

SubscriptionStatus
Element Id SubscriptionStatus
Definition

The SubscriptionStatus resource describes the state of a Subscription during notifications.

Short Display Status information about a Subscription provided during event notification
Cardinality 0..*
Type DomainResource
Summary false
Invariants
Defined on this element
sst-1 Rule Event notifications must contain events (type = 'event-notification' or type = 'query-event') implies notificationEvent.exists()
sst-2 Rule Status messages must contain status type = 'query-status' implies status.exists()
SubscriptionStatus.status
Element Id SubscriptionStatus.status
Definition

The status of the subscription, which marks the server state for managing the subscription.

Short Display requested | active | error | off | entered-in-error
Cardinality 0..1
Terminology Binding Subscription Status (Required)
Type code
Summary true
Invariants
Affect this element
sst-2 Rule Status messages must contain status type = 'query-status' implies status.exists()
SubscriptionStatus.type
Element Id SubscriptionStatus.type
Definition

The type of event being conveyed with this notification.

Short Display handshake | heartbeat | event-notification | query-status | query-event
Cardinality 1..1
Terminology Binding Subscription Notification Type (Required)
Type code
Is Modifier true (Reason: Not known why this is labelled a modifier)
Summary true
Invariants
Affect this element
sst-1 Rule Event notifications must contain events (type = 'event-notification' or type = 'query-event') implies notificationEvent.exists()
sst-2 Rule Status messages must contain status type = 'query-status' implies status.exists()
SubscriptionStatus.eventsSinceSubscriptionStart
Element Id SubscriptionStatus.eventsSinceSubscriptionStart
Definition

The total number of actual events which have been generated since the Subscription was created (inclusive of this notification) - regardless of how many have been successfully communicated. This number is NOT incremented for handshake and heartbeat notifications.

Short Display Events since the Subscription was created
Cardinality 0..1
Type integer64
Summary true
SubscriptionStatus.notificationEvent
Element Id SubscriptionStatus.notificationEvent
Definition

Detailed information about events relevant to this subscription notification.

Short Display Detailed information about any events relevant to this notification
Cardinality 0..*
Summary false
Invariants
Affect this element
sst-1 Rule Event notifications must contain events (type = 'event-notification' or type = 'query-event') implies notificationEvent.exists()
SubscriptionStatus.notificationEvent.eventNumber
Element Id SubscriptionStatus.notificationEvent.eventNumber
Definition

Either the sequential number of this event in this subscription context or a relative event number for this notification.

Short Display Sequencing index of this event
Cardinality 1..1
Type integer64
Summary false
Comments

In subscriptions where delivery of notifications IS NOT guaranteed (e.g., REST-Hook), this number is a unique and monotonically-increasing event number for a subscription. In channels where delivery of notifications IS guaranteed, this number is a relative index for the events present in the notification (e.g., 1, 2, etc.).

SubscriptionStatus.notificationEvent.timestamp
Element Id SubscriptionStatus.notificationEvent.timestamp
Definition

The actual time this event occurred on the server.

Short Display The instant this event occurred
Cardinality 0..1
Type instant
Summary false
SubscriptionStatus.notificationEvent.focus
Element Id SubscriptionStatus.notificationEvent.focus
Definition

The focus of this event. While this will usually be a reference to the focus resource of the event, it MAY contain a reference to a non-FHIR object.

Short Display Reference to the primary resource or information of this event
Cardinality 0..1
Type Reference(Any)
Summary false
SubscriptionStatus.notificationEvent.additionalContext
Element Id SubscriptionStatus.notificationEvent.additionalContext
Definition

Additional context information for this event. Generally, this will contain references to additional resources included with the event (e.g., the Patient relevant to an Encounter), however it MAY refer to non-FHIR objects.

Short Display References related to the focus resource and/or context of this event
Cardinality 0..*
Type Reference(Any)
Summary false
SubscriptionStatus.subscription
Element Id SubscriptionStatus.subscription
Definition

The reference to the Subscription which generated this notification.

Short Display Reference to the Subscription responsible for this notification
Cardinality 1..1
Type Reference(Subscription)
Summary true
SubscriptionStatus.topic
Element Id SubscriptionStatus.topic
Definition

The reference to the SubscriptionTopic for the Subscription which generated this notification.

Short Display Reference to the SubscriptionTopic this notification relates to
Cardinality 0..1
Type canonical(SubscriptionTopic)
Summary true
Comments

This value SHOULD NOT be present when using empty payloads, MAY be present when using id-only payloads, and SHOULD be present when using full-resource payloads.

SubscriptionStatus.error
Element Id SubscriptionStatus.error
Definition

A record of errors that occurred when the server processed a notification.

Short Display List of errors on the subscription
Cardinality 0..*
Terminology Binding Subscription Error Codes (Example)
Type CodeableConcept
Summary true
Comments

Recommended practice: clear errors when status is updated.

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