Twiin Workflow
0.3.0-draft - Draft – normative only when referenced by the Twiin afsprakenstelsel

This page is part of the Twiin Workflow (v0.3.0-draft: Release 1 Draft) based on FHIR (HL7® FHIR® Standard) R4. No current official version has been published yet. For a full list of available versions, see the Directory of published versions

CapabilityStatement: Twiin Workflow Placer Server

Official URL: https://fhir.twiin.nl/ig/workflow/CapabilityStatement/twiin-workflow-placer-server Version: 0.3.0-draft
Draft as of 2026-10-09 Computable Name: TwiinWorkflowPlacerServer

Copyright/Legal: Copyright 2026 Twiin. Licensed under CC BY-SA 4.0.

Requirements for the FHIR server of the Placer under TA Workflow (TA section Placer server capabilities). Imports the Twiin Subscription Server of TA Notifications for Subscription.

Raw OpenAPI-Swagger Definition file | Download

Language: en

Twiin Workflow Placer Server

  • Implementation Guide Version: 0.3.0-draft
  • FHIR Version: 4.0.1
  • Supported Formats: json
  • Supported Patch Formats: application/json-patch+json
  • Published on: 2026-10-09
  • Published by: Twiin

Note to Implementers: FHIR Capabilities

Any FHIR capability may be 'allowed' by the system unless explicitly marked as 'SHALL NOT'. A few items are marked as MAY in the Implementation Guide to highlight their potential relevance to the use case.

This CapabilityStatement imports the CapabilityStatement Twiin Subscription Server (version: 0.2.0-draft)

FHIR RESTful Capabilities

Mode: server

Subscription: see the imported Twiin Subscription Server (TA Notifications). Task, ServiceRequest and Patient: TA section Placer server capabilities.

Capabilities by Resource/Profile

Summary

The summary table lists the resources that are part of this configuration, and for each resource it lists:

  • The relevant profiles (if any)
  • The interactions supported by each resource (Read, Search, Update, and Create, are always shown, while VRead, Patch, Delete, History on Instance, or History on Type are only present if at least one of the resources has support for them.
  • The required, recommended, and some optional search parameters (if any).
  • The linked resources enabled for _include
  • The other resources enabled for _revinclude
  • The operations on the resource (if any)
Resource TypeProfileRSUPCSearches_include_revincludeOperations
TaskSupported Profiles
  Twiin Coordination Task
  Twiin Cancellation Request Task
  Twiin Authorization Cancellation Request Task		YYYYYowner, requester, focus, code, intent, status, business-status, _lastUpdated
ServiceRequestSupported Profiles
  Twiin Workflow ServiceRequest		Y
Patient Y
SubscriptionSupported Profiles
  Twiin Workflow Subscription
Core FHIR Resource
Task
Reference Policy
Interaction summary
  • SHALL support read, search-type
    update

    Version-aware: the Fulfiller sends the version in If-Match; an update on a version that is no longer current is rejected with 412 Precondition Failed (TA section Concurrent writes).

    patch

    JSON Patch (application/json-patch+json), version-aware as update (TA section Concurrent writes).

    create

    Only for the Authorization Cancellation Request Task (TA sections Write access; Cancellation by the Fulfiller).

Supported Profiles

Twiin Coordination Task
Twiin Cancellation Request Task
Twiin Authorization Cancellation Request Task

Search Parameters
ConformanceParameterTypeDocumentation
SHALLownerreference

Supported with the modifier :identifier, value [system]|[value] (TA section Search parameters).

SHALLrequesterreference

Supported with the modifier :identifier, value [system]|[value] (TA section Search parameters).

SHALLfocusreference

TA section Resynchronization.

SHALLcodetoken

TA sections Resynchronization; Cancellation by the Fulfiller.

SHALLintenttoken

TA section Cancellation by the Fulfiller.

SHALLstatustoken

TA section Placer server capabilities.

SHALLbusiness-statustoken

TA section Placer server capabilities.

SHALL_lastUpdateddate

TA section Resynchronization.

 
Core FHIR Resource
ServiceRequest
Reference Policy
Interaction summary
  • SHALL support read.

Supported Profiles

Twiin Workflow ServiceRequest

Core FHIR Resource
Patient
Reference Policy
Interaction summary
  • SHALL support read.

Core FHIR Resource
Subscription
Reference Policy
Interaction summary

    Supported Profiles

    Twiin Workflow Subscription