Extensions for Using Data Elements from FHIR R4B in FHIR R5
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Extensions for Using Data Elements from FHIR R4B in FHIR R5 - Downloaded Version null See the Directory of published versions

Resource Profile: Profile_R4B_SubscriptionStatus_R5 - Detailed Descriptions

Page standards status: Trial-use Maturity Level: 0

Definitions for the profile-SubscriptionStatus resource profile.

Guidance on how to interpret the contents of this table can be foundhere

0. SubscriptionStatus
Definition

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

ShortStatus information about a Subscription provided during event notification
Control0..*
Is Modifierfalse
Must Supportfalse
Summaryfalse
Invariantsdom-2: If the resource is contained in another resource, it SHALL NOT contain nested Resources (contained.contained.empty())
dom-3: If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource (contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().ofType(canonical) | %resource.descendants().ofType(uri) | %resource.descendants().ofType(url))) or descendants().where(reference = '#').exists() or descendants().where(ofType(canonical) = '#').exists() or descendants().where(ofType(canonical) = '#').exists()).not()).trace('unmatched', id).empty())
dom-4: If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated (contained.meta.versionId.empty() and contained.meta.lastUpdated.empty())
dom-5: If a resource is contained in another resource, it SHALL NOT have a security label (contained.meta.security.empty())
dom-6: A resource should have narrative for robust management (text.`div`.exists())
sst-1: Event notifications must contain events ((type = 'event-notification' or type = 'query-event') implies notificationEvent.exists())
sst-2: Status messages must contain status (type = 'query-status' implies status.exists())
dom-2: If the resource is contained in another resource, it SHALL NOT contain nested Resources (contained.contained.empty())
dom-3: If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource (contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().ofType(canonical) | %resource.descendants().ofType(uri) | %resource.descendants().ofType(url))) or descendants().where(reference = '#').exists() or descendants().where(ofType(canonical) = '#').exists() or descendants().where(ofType(canonical) = '#').exists()).not()).trace('unmatched', id).empty())
dom-4: If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated (contained.meta.versionId.empty() and contained.meta.lastUpdated.empty())
dom-5: If a resource is contained in another resource, it SHALL NOT have a security label (contained.meta.security.empty())
dom-6: A resource should have narrative for robust management (text.`div`.exists())
sst-1: Event notifications must contain events ((type = 'event-notification' or type = 'query-event') implies notificationEvent.exists())
sst-2: Status messages must contain status (type = 'query-status' implies status.exists())
2. SubscriptionStatus.implicitRules
Definition

A reference to a set of rules that were followed when the resource was constructed, and which must be understood when processing the content. Often, this is a reference to an implementation guide that defines the special rules along with other profiles etc.

ShortA set of rules under which this content was created
Comments

Asserting this rule set restricts the content to be only understood by a limited set of trading partners. This inherently limits the usefulness of the data in the long term. However, the existing health eco-system is highly fractured, and not yet ready to define, collect, and exchange data in a generally computable sense. Wherever possible, implementers and/or specification writers should avoid using this element. Often, when used, the URL is a reference to an implementation guide that defines these special rules as part of its narrative along with other profiles, value sets, etc.

Control0..1
Typeuri
Is Modifiertrue because This element is labeled as a modifier because the implicit rules may provide additional knowledge about the resource that modifies its meaning or interpretation
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
Must Supportfalse
Summarytrue
Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
4. SubscriptionStatus.contained
Definition

These resources do not have an independent existence apart from the resource that contains them - they cannot be identified independently, nor can they have their own independent transaction scope. This is allowed to be a Parameters resource if and only if it is referenced by a resource that provides context/meaning.

ShortContained, inline Resources
Comments

This should never be done when the content can be identified properly, as once identification is lost, it is extremely difficult (and context dependent) to restore it again. Contained resources may have profiles and tags in their meta elements, but SHALL NOT have security labels.

Control0..*
This element is affected by the following invariants: dom-2, dom-4, dom-3, dom-5
TypeResource
Is Modifierfalse
Must Supportfalse
Summaryfalse
Alternate Namesinline resources, anonymous resources, contained resources
6. SubscriptionStatus.modifierExtension
Definition

May be used to represent additional information that is not part of the basic definition of the resource and that modifies the understanding of the element that contains it and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and managable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

ShortExtensions that cannot be ignored
Comments

There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

Control0..*
TypeExtension
Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the resource that contains them
Must Supportfalse
Summarytrue
Requirements

Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

Alternate Namesextensions, user content
Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
8. SubscriptionStatus.type
Definition

The type of event being conveyed with this notification.

Shorthandshake | heartbeat | event-notification | query-status | query-event
Control1..1
This element is affected by the following invariants: sst-1, sst-2
BindingThe codes SHALL be taken from SubscriptionNotificationTypehttp://hl7.org/fhir/ValueSet/subscription-notification-type|5.0.0
(required to http://hl7.org/fhir/ValueSet/subscription-notification-type|5.0.0)

The type of notification represented by the status message.

Typecode
Is Modifiertrue because Not known why this is labelled a modifier
Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
Must Supportfalse
Summarytrue
Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
10. SubscriptionStatus.subscription
Definition

The reference to the Subscription which generated this notification.

ShortReference to the Subscription responsible for this notification
Control1..1
TypeReference(Subscription)
Is Modifierfalse
Must Supportfalse
Summarytrue
Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
ele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))

Guidance on how to interpret the contents of this table can be foundhere

0. SubscriptionStatus
2. SubscriptionStatus.eventsSinceSubscriptionStart
4. SubscriptionStatus.eventsSinceSubscriptionStart.extension
Control0..*
SlicingThis element introduces a set of slices on SubscriptionStatus.eventsSinceSubscriptionStart.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
  • value @ url
  • 6. SubscriptionStatus.eventsSinceSubscriptionStart.extension:eventsSinceSubscriptionStart
    Slice NameeventsSinceSubscriptionStart
    Definition

    R4B: SubscriptionStatus.eventsSinceSubscriptionStart additional types (string) additional types from child elements (value)

    ShortR4B: eventsSinceSubscriptionStart additional types
    Comments

    Element SubscriptionStatus.eventsSinceSubscriptionStart is mapped to FHIR R5 element SubscriptionStatus.eventsSinceSubscriptionStart as SourceIsBroaderThanTarget. The mappings for SubscriptionStatus.eventsSinceSubscriptionStart do not cover the following types: string. The mappings for SubscriptionStatus.eventsSinceSubscriptionStart do not cover the following types based on type expansion: value.

    Control0..1
    TypeExtension(R4B: eventsSinceSubscriptionStart additional types) (Extension Type: string)
    8. SubscriptionStatus.notificationEvent
    10. SubscriptionStatus.notificationEvent.eventNumber
    12. SubscriptionStatus.notificationEvent.eventNumber.extension
    Control0..*
    SlicingThis element introduces a set of slices on SubscriptionStatus.notificationEvent.eventNumber.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
    • value @ url
    • 14. SubscriptionStatus.notificationEvent.eventNumber.extension:eventNumber
      Slice NameeventNumber
      Definition

      R4B: SubscriptionStatus.notificationEvent.eventNumber additional types (string) additional types from child elements (value)

      ShortR4B: Event number additional types
      Comments

      Element SubscriptionStatus.notificationEvent.eventNumber is mapped to FHIR R5 element SubscriptionStatus.notificationEvent.eventNumber as SourceIsBroaderThanTarget. The mappings for SubscriptionStatus.notificationEvent.eventNumber do not cover the following types: string. The mappings for SubscriptionStatus.notificationEvent.eventNumber do not cover the following types based on type expansion: value.

      Control0..1
      TypeExtension(R4B: Event number additional types) (Extension Type: string)

      Guidance on how to interpret the contents of this table can be foundhere

      0. SubscriptionStatus
      Definition

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

      ShortStatus information about a Subscription provided during event notification
      Control0..*
      Is Modifierfalse
      Must Supportfalse
      Summaryfalse
      Invariantsdom-2: If the resource is contained in another resource, it SHALL NOT contain nested Resources (contained.contained.empty())
      dom-3: If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource (contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().ofType(canonical) | %resource.descendants().ofType(uri) | %resource.descendants().ofType(url))) or descendants().where(reference = '#').exists() or descendants().where(ofType(canonical) = '#').exists() or descendants().where(ofType(canonical) = '#').exists()).not()).trace('unmatched', id).empty())
      dom-4: If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated (contained.meta.versionId.empty() and contained.meta.lastUpdated.empty())
      dom-5: If a resource is contained in another resource, it SHALL NOT have a security label (contained.meta.security.empty())
      dom-6: A resource should have narrative for robust management (text.`div`.exists())
      sst-1: Event notifications must contain events ((type = 'event-notification' or type = 'query-event') implies notificationEvent.exists())
      sst-2: Status messages must contain status (type = 'query-status' implies status.exists())
      2. SubscriptionStatus.id
      Definition

      The logical id of the resource, as used in the URL for the resource. Once assigned, this value never changes.

      ShortLogical id of this artifact
      Comments

      Within the context of the FHIR RESTful interactions, the resource has an id except for cases like the create and conditional update. Otherwise, the use of the resouce id depends on the given use case.

      Control0..1
      Typeid
      Is Modifierfalse
      Must Supportfalse
      Summarytrue
      4. SubscriptionStatus.meta
      Definition

      The metadata about the resource. This is content that is maintained by the infrastructure. Changes to the content might not always be associated with version changes to the resource.

      ShortMetadata about the resource
      Control0..1
      TypeMeta
      Is Modifierfalse
      Must Supportfalse
      Summarytrue
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      6. SubscriptionStatus.implicitRules
      Definition

      A reference to a set of rules that were followed when the resource was constructed, and which must be understood when processing the content. Often, this is a reference to an implementation guide that defines the special rules along with other profiles etc.

      ShortA set of rules under which this content was created
      Comments

      Asserting this rule set restricts the content to be only understood by a limited set of trading partners. This inherently limits the usefulness of the data in the long term. However, the existing health eco-system is highly fractured, and not yet ready to define, collect, and exchange data in a generally computable sense. Wherever possible, implementers and/or specification writers should avoid using this element. Often, when used, the URL is a reference to an implementation guide that defines these special rules as part of its narrative along with other profiles, value sets, etc.

      Control0..1
      Typeuri
      Is Modifiertrue because This element is labeled as a modifier because the implicit rules may provide additional knowledge about the resource that modifies its meaning or interpretation
      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
      Must Supportfalse
      Summarytrue
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      8. SubscriptionStatus.language
      Definition

      The base language in which the resource is written.

      ShortLanguage of the resource content
      Comments

      Language is provided to support indexing and accessibility (typically, services such as text to speech use the language tag). The html language tag in the narrative applies to the narrative. The language tag on the resource may be used to specify the language of other presentations generated from the data in the resource. Not all the content has to be in the base language. The Resource.language should not be assumed to apply to the narrative automatically. If a language is specified, it should it also be specified on the div element in the html (see rules in HTML5 for information about the relationship between xml:lang and the html lang attribute).

      Control0..1
      BindingThe codes SHALL be taken from AllLanguages
      (required to http://hl7.org/fhir/ValueSet/all-languages|5.0.0)

      IETF language tag for a human language

      Typecode
      Is Modifierfalse
      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
      Must Supportfalse
      Summaryfalse
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      10. SubscriptionStatus.text
      Definition

      A human-readable narrative that contains a summary of the resource and can be used to represent the content of the resource to a human. The narrative need not encode all the structured data, but is required to contain sufficient detail to make it "clinically safe" for a human to just read the narrative. Resource definitions may define what content should be represented in the narrative to ensure clinical safety.

      ShortText summary of the resource, for human interpretation
      Comments

      Contained resources do not have a narrative. Resources that are not contained SHOULD have a narrative. In some cases, a resource may only have text with little or no additional discrete data (as long as all minOccurs=1 elements are satisfied). This may be necessary for data from legacy systems where information is captured as a "text blob" or where text is additionally entered raw or narrated and encoded information is added later.

      Control0..1
      This element is affected by the following invariants: dom-6
      TypeNarrative
      Is Modifierfalse
      Must Supportfalse
      Summaryfalse
      Alternate Namesnarrative, html, xhtml, display
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      12. SubscriptionStatus.contained
      Definition

      These resources do not have an independent existence apart from the resource that contains them - they cannot be identified independently, nor can they have their own independent transaction scope. This is allowed to be a Parameters resource if and only if it is referenced by a resource that provides context/meaning.

      ShortContained, inline Resources
      Comments

      This should never be done when the content can be identified properly, as once identification is lost, it is extremely difficult (and context dependent) to restore it again. Contained resources may have profiles and tags in their meta elements, but SHALL NOT have security labels.

      Control0..*
      This element is affected by the following invariants: dom-2, dom-4, dom-3, dom-5
      TypeResource
      Is Modifierfalse
      Must Supportfalse
      Summaryfalse
      Alternate Namesinline resources, anonymous resources, contained resources
      14. SubscriptionStatus.extension
      Definition

      May be used to represent additional information that is not part of the basic definition of the resource. To make the use of extensions safe and managable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

      ShortAdditional content defined by implementations
      Comments

      There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

      Control0..*
      TypeExtension
      Is Modifierfalse
      Must Supportfalse
      Summaryfalse
      Alternate Namesextensions, user content
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
      16. SubscriptionStatus.modifierExtension
      Definition

      May be used to represent additional information that is not part of the basic definition of the resource and that modifies the understanding of the element that contains it and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and managable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

      Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

      ShortExtensions that cannot be ignored
      Comments

      There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

      Control0..*
      TypeExtension
      Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the resource that contains them
      Must Supportfalse
      Summarytrue
      Requirements

      Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

      Alternate Namesextensions, user content
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
      18. SubscriptionStatus.status
      Definition

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

      Shortrequested | active | error | off | entered-in-error
      Control0..1
      This element is affected by the following invariants: sst-2
      BindingThe codes SHALL be taken from SubscriptionStatusCodes
      (required to http://hl7.org/fhir/ValueSet/subscription-status|5.0.0)

      The status of a subscription at the time this notification was generated.

      Typecode
      Is Modifierfalse
      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
      Must Supportfalse
      Summarytrue
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      20. SubscriptionStatus.type
      Definition

      The type of event being conveyed with this notification.

      Shorthandshake | heartbeat | event-notification | query-status | query-event
      Control1..1
      This element is affected by the following invariants: sst-1, sst-2
      BindingThe codes SHALL be taken from SubscriptionNotificationType
      (required to http://hl7.org/fhir/ValueSet/subscription-notification-type|5.0.0)

      The type of notification represented by the status message.

      Typecode
      Is Modifiertrue because Not known why this is labelled a modifier
      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
      Must Supportfalse
      Summarytrue
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      22. 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.

      ShortEvents since the Subscription was created
      Control0..1
      Typeinteger64
      Is Modifierfalse
      Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
      Must Supportfalse
      Summarytrue
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      24. SubscriptionStatus.eventsSinceSubscriptionStart.id
      Definition

      unique id for the element within a resource (for internal references)

      Shortxml:id (or equivalent in JSON)
      Control0..1
      Typestring
      Is Modifierfalse
      XML FormatIn the XML format, this property is represented as an attribute.
      Summaryfalse
      26. SubscriptionStatus.eventsSinceSubscriptionStart.extension
      Definition

      An Extension

      ShortExtension
      Control0..*
      TypeExtension
      Is Modifierfalse
      Summaryfalse
      Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
      ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
      SlicingThis element introduces a set of slices on SubscriptionStatus.eventsSinceSubscriptionStart.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
      • value @ url
      • 28. SubscriptionStatus.eventsSinceSubscriptionStart.extension:eventsSinceSubscriptionStart
        Slice NameeventsSinceSubscriptionStart
        Definition

        R4B: SubscriptionStatus.eventsSinceSubscriptionStart additional types (string) additional types from child elements (value)

        ShortR4B: eventsSinceSubscriptionStart additional types
        Comments

        Element SubscriptionStatus.eventsSinceSubscriptionStart is mapped to FHIR R5 element SubscriptionStatus.eventsSinceSubscriptionStart as SourceIsBroaderThanTarget. The mappings for SubscriptionStatus.eventsSinceSubscriptionStart do not cover the following types: string. The mappings for SubscriptionStatus.eventsSinceSubscriptionStart do not cover the following types based on type expansion: value.

        Control0..1
        TypeExtension(R4B: eventsSinceSubscriptionStart additional types) (Extension Type: string)
        Is Modifierfalse
        Summaryfalse
        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
        30. SubscriptionStatus.eventsSinceSubscriptionStart.value
        Definition

        The actual value

        ShortPrimitive value for integer64
        Control0..1
        Typeinteger64
        Is Modifierfalse
        XML FormatIn the XML format, this property is represented as an attribute.
        Summaryfalse
        Min Value-9223372036854775808
        Max Value9223372036854775807
        32. SubscriptionStatus.notificationEvent
        Definition

        Detailed information about events relevant to this subscription notification.

        ShortDetailed information about any events relevant to this notification
        Control0..*
        This element is affected by the following invariants: sst-1
        TypeBackboneElement
        Is Modifierfalse
        Must Supportfalse
        Summaryfalse
        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
        34. SubscriptionStatus.notificationEvent.id
        Definition

        Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.

        ShortUnique id for inter-element referencing
        Control0..1
        This element is affected by the following invariants: ele-1
        Typestring
        Is Modifierfalse
        XML FormatIn the XML format, this property is represented as an attribute.
        Summaryfalse
        36. SubscriptionStatus.notificationEvent.extension
        Definition

        May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and managable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.

        ShortAdditional content defined by implementations
        Comments

        There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

        Control0..*
        TypeExtension
        Is Modifierfalse
        Summaryfalse
        Alternate Namesextensions, user content
        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
        38. SubscriptionStatus.notificationEvent.modifierExtension
        Definition

        May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and managable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.

        Modifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).

        ShortExtensions that cannot be ignored even if unrecognized
        Comments

        There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.

        Control0..*
        TypeExtension
        Is Modifiertrue because Modifier extensions are expected to modify the meaning or interpretation of the element that contains them
        Summarytrue
        Requirements

        Modifier extensions allow for extensions that cannot be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored. This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the definition of modifier extensions.

        Alternate Namesextensions, user content, modifiers
        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
        40. SubscriptionStatus.notificationEvent.eventNumber
        Definition

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

        ShortSequencing index of this event
        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.).

        Control1..1
        Typeinteger64
        Is Modifierfalse
        Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
        Must Supportfalse
        Summaryfalse
        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
        42. SubscriptionStatus.notificationEvent.eventNumber.id
        Definition

        unique id for the element within a resource (for internal references)

        Shortxml:id (or equivalent in JSON)
        Control0..1
        Typestring
        Is Modifierfalse
        XML FormatIn the XML format, this property is represented as an attribute.
        Summaryfalse
        44. SubscriptionStatus.notificationEvent.eventNumber.extension
        Definition

        An Extension

        ShortExtension
        Control0..*
        TypeExtension
        Is Modifierfalse
        Summaryfalse
        Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
        ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
        SlicingThis element introduces a set of slices on SubscriptionStatus.notificationEvent.eventNumber.extension. The slices areUnordered and Open, and can be differentiated using the following discriminators:
        • value @ url
        • 46. SubscriptionStatus.notificationEvent.eventNumber.extension:eventNumber
          Slice NameeventNumber
          Definition

          R4B: SubscriptionStatus.notificationEvent.eventNumber additional types (string) additional types from child elements (value)

          ShortR4B: Event number additional types
          Comments

          Element SubscriptionStatus.notificationEvent.eventNumber is mapped to FHIR R5 element SubscriptionStatus.notificationEvent.eventNumber as SourceIsBroaderThanTarget. The mappings for SubscriptionStatus.notificationEvent.eventNumber do not cover the following types: string. The mappings for SubscriptionStatus.notificationEvent.eventNumber do not cover the following types based on type expansion: value.

          Control0..1
          TypeExtension(R4B: Event number additional types) (Extension Type: string)
          Is Modifierfalse
          Summaryfalse
          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
          ext-1: Must have either extensions or value[x], not both (extension.exists() != value.exists())
          48. SubscriptionStatus.notificationEvent.eventNumber.value
          Definition

          The actual value

          ShortPrimitive value for integer64
          Control0..1
          Typeinteger64
          Is Modifierfalse
          XML FormatIn the XML format, this property is represented as an attribute.
          Summaryfalse
          Min Value-9223372036854775808
          Max Value9223372036854775807
          50. SubscriptionStatus.notificationEvent.timestamp
          Definition

          The actual time this event occurred on the server.

          ShortThe instant this event occurred
          Control0..1
          Typeinstant
          Is Modifierfalse
          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
          Must Supportfalse
          Summaryfalse
          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
          52. 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.

          ShortReference to the primary resource or information of this event
          Control0..1
          TypeReference(Resource)
          Is Modifierfalse
          Must Supportfalse
          Summaryfalse
          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
          54. 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.

          ShortReferences related to the focus resource and/or context of this event
          Control0..*
          TypeReference(Resource)
          Is Modifierfalse
          Must Supportfalse
          Summaryfalse
          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
          56. SubscriptionStatus.subscription
          Definition

          The reference to the Subscription which generated this notification.

          ShortReference to the Subscription responsible for this notification
          Control1..1
          TypeReference(Subscription)
          Is Modifierfalse
          Must Supportfalse
          Summarytrue
          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
          58. SubscriptionStatus.topic
          Definition

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

          ShortReference to the SubscriptionTopic this notification relates to
          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.

          Control0..1
          Typecanonical(SubscriptionTopic)
          Is Modifierfalse
          Primitive ValueThis primitive element may be present, or absent, or replaced by an extension
          Must Supportfalse
          Summarytrue
          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))
          60. SubscriptionStatus.error
          Definition

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

          ShortList of errors on the subscription
          Comments

          Recommended practice: clear errors when status is updated.

          Control0..*
          BindingFor example codes, see SubscriptionErrorCodes
          (example to http://hl7.org/fhir/ValueSet/subscription-error|5.0.0)

          Codes to represent subscription error details.

          TypeCodeableConcept
          Is Modifierfalse
          Must Supportfalse
          Summarytrue
          Invariantsele-1: All FHIR elements must have a @value or children (hasValue() or (children().count() > id.count()))