NameFlagsCard.TypeDescription & Constraintsdoco
.. Subscription TUDomainResourceNotification about a SubscriptionTopic

Elements defined in Ancestors: id, meta, implicitRules, language, text, contained, extension, modifierExtension
... identifier Σ0..*IdentifierAdditional identifiers (business identifier)

... name Σ0..1stringHuman readable name for this subscription
... status ?!Σ1..1coderequested | active | error | off | entered-in-error
Binding: Subscription Status (Required)
... topic Σ1..1canonical(SubscriptionTopic)Reference to the subscription topic being subscribed to
... contact Σ0..*ContactPointContact details for source (e.g. troubleshooting)

... end Σ0..1instantWhen to automatically delete the subscription
... managingEntity Σ0..1Reference(CareTeam | HealthcareService | Organization | RelatedPerson | Patient | Practitioner | PractitionerRole)Entity responsible for Subscription changes
... reason Σ0..1stringDescription of why this subscription was created
... filterBy ΣC0..*BackboneElementCriteria for narrowing the subscription topic stream
+ Rule: Subscription filters may only contain a modifier or a comparator

.... resourceType Σ0..1uriAllowed Resource (reference to definition) for this Subscription filter
Binding: Types used with Subscriptions (Extensible)
Additional BindingsPurpose
All Resource TypesUI Binding

.... filterParameter Σ1..1stringFilter label defined in SubscriptionTopic
.... comparator C0..1codeeq | ne | gt | lt | ge | le | sa | eb | ap
Binding: Search Comparator (Required)
.... modifier C0..1codemissing | exact | contains | not | text | in | not-in | below | above | type | identifier | of-type | code-text | text-advanced | iterate
Binding: Search Modifier Code (Required)
.... value Σ1..1stringLiteral value or resource path
... channelType Σ1..1CodingChannel type for notifications
Binding: Subscription Channel Type (Extensible)
... endpoint Σ0..1urlWhere the channel points to
... parameter 0..*BackboneElementChannel type

.... name 1..1stringName (key) of the parameter
.... value 1..1stringValue of the parameter to use or pass through
... heartbeatPeriod Σ0..1unsignedIntInterval in seconds to send 'heartbeat' notification
... timeout Σ0..1unsignedIntTimeout in seconds to attempt notification delivery
... contentType Σ0..1codeMIME type to send, or omit for no payload
Binding: Mime Types (Required)
... content Σ0..1codeempty | id-only | full-resource
Binding: Subscription Payload Content (Required)
... maxCount Σ0..1positiveIntMaximum number of events that can be combined in a single notification

doco Documentation for this format