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D.4.1.4 StructureDefinition: - Detailed Descriptions

Definitions for the StructureDefinition-argo-endpoint Profile.

Endpoint(Argonaut-PD)
Definition

This is basic constraint on Endpoint for use in Argonaut Provider Directory resources.

Control0..*
InvariantsDefined on this element
dom-1: If the resource is contained in another resource, it SHALL NOT contain any narrative (: contained.text.empty())
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 (: contained.where(('#'+id in %resource.descendants().reference).not()).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())
Endpoint.id
Definition

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

Control0..1
Typeid
Comments

The only time that a resource does not have an id is when it is being submitted to the server using a create operation.

Endpoint.meta
Definition

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

Control0..1
TypeMeta
Endpoint.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.

Control0..1
Typeuri
Is Modifiertrue
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.

This element is labelled as a modifier because the implicit rules may provide additional knowledge about the resource that modifies it's meaning or interpretation.

Endpoint.language
Definition

The base language in which the resource is written.

Control0..1
BindingA human language.
The codes SHALL be taken from Common Languages; other codes may be used where these codes are not suitable
Typecode
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).

Endpoint.text
Definition

A human-readable narrative that contains a summary of the resource, and may 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.

Control0..1 This element is affected by the following invariants: dom-1
TypeNarrative
Alternate Namesnarrative, html, xhtml, display
Comments

Contained resources do not have 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 in formation is added later.

Endpoint.contained
Definition

These resources do not have an independent existence apart from the resource that contains them - they cannot be identified independently, and nor can they have their own independent transaction scope.

Control0..*
TypeResource
Alternate Namesinline resources, anonymous resources, contained 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.

Endpoint.extension
Definition

May be used to represent additional information that is not part of the basic definition of the resource. In order to make the use of extensions safe and manageable, 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.

Control0..*
TypeExtension
Alternate Namesextensions, user content
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.

Endpoint.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. Usually modifier elements provide negation or qualification. In order to make the use of extensions safe and manageable, 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.

Control0..*
TypeExtension
Is Modifiertrue
Alternate Namesextensions, user content
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.

Endpoint.identifier
Definition

Identifier for the organization that is used to identify the endpoint across multiple disparate systems.

NoteThis is a business identifer, not a resource identifier (see discussion)
Control0..*
TypeIdentifier
Endpoint.status
Definition

active | suspended | error | off | test.

Control1..1
Bindingnull
The codes SHALL be taken from EndpointStatus
Typecode
Is Modifiertrue
Must Supporttrue
Comments

This element is labeled as a modifier because the status contains codes that mark the endpoint as not currently valid.

Endpoint.connectionType
Definition

A coded value that represents the technical details of the usage of this endpoint, such as what WSDLs should be used in what way. (e.g. XDS.b/DICOM/cds-hook).

Control1..1
Bindingnull
The codes SHALL be taken from Endpoint Connection Type
TypeCoding
Must Supporttrue
Comments

For additional connectivity details for the protocol, extensions will be used at this point, as in the XDS example.

Endpoint.name
Definition

A friendly name that this endpoint can be referred to with.

Control1..1
Typestring
Must Supporttrue
Endpoint.managingOrganization
Definition

The organization that manages this endpoint (even if technically another organisation is hosting this in the cloud, it is the organisation associated with the data).

Control1..1
TypeReference(http://fhir.org/guides/argonaut-pd/StructureDefinition-argo-organization)
Must Supporttrue
Comments

This property is not typically used when searching for Endpoint resources for usage. The typical usage is via the reference from an aplicable Organization/Location/Practitioner resource, which is where the context is provided. Multiple Locations may reference a single endpoint, and don't have to be within the same organization resource, but most likely within the same organizational hierarchy.

Endpoint.contact
Definition

Contact details for a human to contact about the subscription. The primary use of this for system administrator troubleshooting.

Control0..*
TypeContactPoint
Endpoint.period
Definition

The interval during which the endpoint is expected to be operational.

Control0..1
TypePeriod
Endpoint.payloadType
Definition

The payload type describes the acceptable content that can be communicated on the endpoint.

Control1..*
Bindingnull
The codes SHALL be taken from Endpoint Payload Type; other codes may be used where these codes are not suitable
TypeCodeableConcept
Must Supporttrue
Comments

The payloadFormat describes the serialization format of the data, where the payloadType indicates the specific document/schema that is being transferred; e.g. DischargeSummary or CarePlan.

Endpoint.payloadMimeType
Definition

The mime type to send the payload in - e.g. application/fhir+xml, application/fhir+json. If the mime type is not specified, then the sender could send any content (including no content depending on the connectionType).

Control0..*
BindingThe mime type of an attachment. Any valid mime type is allowed.
The codes SHALL be taken from http://www.rfc-editor.org/bcp/bcp13.txt
Typecode
Comments

Sending the payload has obvious security consequences. The server is responsible for ensuring that the content is appropriately secured.

Endpoint.address
Definition

The uri that describes the actual end-point to connect to.

Control1..1
Typeuri
Must Supporttrue
Comments

For rest-hook, and websocket, the end-point must be an http: or https: URL; for email, a mailto: url, for sms, a tel: url, and for message the endpoint can be in any form of url the server understands (usually, http: or mllp:). The URI is allowed to be relative; in which case, it is relative to the server end-point (since their may be more than one, clients should avoid using relative URIs)

This address will be to the service base, without any parameters, or sub-services or resources tacked on.

E.g. for a WADO-RS endpoint, the url should be "https://pacs.hospital.org/wado-rs"

and not "https://pacs.hospital.org/wado-rs/studies/1.2.250.1.59.40211.12345678.678910/series/1.2.250.1.59.40211.789001276.14556172.67789/instances/...".

Endpoint.header
Definition

Additional headers / information to send as part of the notification.

Control0..*
Typestring
Comments

Exactly what these mean depend on the channel type. The can convey additional information to the recipient and/or meet security requirements.