{
  "resourceType": "StructureDefinition",
  "id": "pt-lm-Task",
  "text": {
    "status": "empty",
    "div": "<div xmlns=\"http://www.w3.org/1999/xhtml\">No narrative is provided for definitional resources. A human-readable rendering can be found in the implementation guide(s) where this resource is used.</div>"
  },
  "url": "http://medmij.nl/fhir/StructureDefinition/pt-lm-Task",
  "name": "PtLmTask",
  "title": "Task",
  "status": "draft",
  "publisher": "MedMij",
  "contact": [
    {
      "name": "MedMij",
      "telecom": [
        {
          "system": "email",
          "value": "info@medmij.nl",
          "use": "work"
        }
      ]
    }
  ],
  "description": "Patient-specific task that tells a patient what to do as part of a digital care activity. A task is shown in the patient's task list and supports tracking progress and completion over time.",
  "purpose": "This LogicalModel represents the Task building block for patient use cases in the context of the data service Provider Tasks (Aanbiedertaken).",
  "copyright": "Copyright and related rights waived via CC0, https://creativecommons.org/publicdomain/zero/1.0/. This does not apply to information from third parties, for example a medical terminology system. The implementer alone is responsible for identifying and obtaining any necessary licenses or authorizations to utilize third party IP in connection with the specification or otherwise.",
  "fhirVersion": "4.0.1",
  "mapping": [
    {
      "identity": "pt-dataset-100-alpha1-20260511",
      "name": "Dataset Aanbiedertaken MedMij 1.0.0-alpha.2 20260511"
    }
  ],
  "kind": "logical",
  "abstract": false,
  "type": "http://medmij.nl/fhir/StructureDefinition/pt-lm-Task",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Element",
  "derivation": "specialization",
  "snapshot": {
    "element": [
      {
        "id": "pt-lm-Task",
        "path": "pt-lm-Task",
        "short": "Task",
        "definition": "Patient-specific task that tells a patient what to do as part of a digital care activity. A task is shown in the patient's task list and supports tracking progress and completion over time.",
        "alias": [
          "Taak"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "pt-lm-Task",
          "min": 0,
          "max": "*"
        },
        "condition": [
          "ele-1"
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          }
        ],
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          },
          {
            "identity": "pt-dataset-100-alpha1-20260511",
            "map": "pt-dataelement-1",
            "comment": "Task"
          }
        ]
      },
      {
        "id": "pt-lm-Task.id",
        "path": "pt-lm-Task.id",
        "representation": [
          "xmlAttr"
        ],
        "short": "Unique id for inter-element referencing",
        "definition": "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min": 0,
        "max": "1",
        "base": {
          "path": "Element.id",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "extension": [
              {
                "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl": "string"
              }
            ],
            "code": "http://hl7.org/fhirpath/System.String"
          }
        ],
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          }
        ]
      },
      {
        "id": "pt-lm-Task.extension",
        "path": "pt-lm-Task.extension",
        "slicing": {
          "discriminator": [
            {
              "type": "value",
              "path": "url"
            }
          ],
          "description": "Extensions are always sliced by (at least) url",
          "rules": "open"
        },
        "short": "Additional content defined by implementations",
        "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 manageable, 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.",
        "comment": "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.",
        "alias": [
          "extensions",
          "user content"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "Element.extension",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Extension"
          }
        ],
        "condition": [
          "ele-1"
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          },
          {
            "key": "ext-1",
            "severity": "error",
            "human": "Must have either extensions or value[x], not both",
            "expression": "extension.exists() != value.exists()",
            "xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
            "source": "http://hl7.org/fhir/StructureDefinition/Extension"
          }
        ],
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          },
          {
            "identity": "rim",
            "map": "N/A"
          }
        ]
      },
      {
        "id": "pt-lm-Task.Identifier",
        "extension": [
          {
            "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
            "valueCode": "normative"
          },
          {
            "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
            "valueCode": "4.0.0"
          }
        ],
        "path": "pt-lm-Task.Identifier",
        "short": "Identifier",
        "definition": "Business identifier for this patient task.",
        "alias": [
          "Identificatie"
        ],
        "min": 0,
        "max": "*",
        "base": {
          "path": "pt-lm-Task.Identifier",
          "min": 0,
          "max": "*"
        },
        "type": [
          {
            "code": "Identifier"
          }
        ],
        "condition": [
          "ele-1"
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          }
        ],
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          },
          {
            "identity": "v2",
            "map": "CX / EI (occasionally, more often EI maps to a resource id or a URL)"
          },
          {
            "identity": "rim",
            "map": "II - The Identifier class is a little looser than the v3 type II because it allows URIs as well as registered OIDs or GUIDs.  Also maps to Role[classCode=IDENT]"
          },
          {
            "identity": "servd",
            "map": "Identifier"
          },
          {
            "identity": "pt-dataset-100-alpha1-20260511",
            "map": "pt-dataelement-33",
            "comment": "Identifier"
          }
        ]
      },
      {
        "id": "pt-lm-Task.DigitalActivity",
        "extension": [
          {
            "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
            "valueCode": "normative"
          },
          {
            "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
            "valueCode": "4.0.0"
          }
        ],
        "path": "pt-lm-Task.DigitalActivity",
        "short": "Digital activity",
        "definition": "Reference to the digital activity definition associated with this task.",
        "comment": "References SHALL be a reference to an actual FHIR resource, and SHALL be resolveable (allowing for access control, temporary unavailability, etc.). Resolution can be either by retrieval from the URL, or, where applicable by resource type, by treating an absolute reference as a canonical URL and looking it up in a local registry/repository.",
        "alias": [
          "DigitaleActiviteit"
        ],
        "min": 1,
        "max": "1",
        "base": {
          "path": "pt-lm-Task.DigitalActivity",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "code": "Reference",
            "targetProfile": [
              "http://medmij.nl/fhir/StructureDefinition/pt-lm-DigitalActivity"
            ]
          }
        ],
        "condition": [
          "ele-1"
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          },
          {
            "key": "ref-1",
            "severity": "error",
            "human": "SHALL have a contained resource if a local reference is provided",
            "expression": "reference.exists() implies (reference.startsWith('#').not() or (reference.substring(1).trace('url') in %rootResource.contained.id.trace('ids')) or (reference='#' and %rootResource!=%resource))",
            "xpath": "not(starts-with(f:reference/@value, '#')) or exists(ancestor::*[self::f:entry or self::f:parameter]/f:resource/f:*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')]|/*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')])",
            "source": "http://hl7.org/fhir/StructureDefinition/Reference"
          }
        ],
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          },
          {
            "identity": "rim",
            "map": "The target of a resource reference is a RIM entry point (Act, Role, or Entity)"
          },
          {
            "identity": "pt-dataset-100-alpha1-20260511",
            "map": "pt-dataelement-2",
            "comment": "DigitalActivity"
          }
        ]
      },
      {
        "id": "pt-lm-Task.GroupPlan",
        "extension": [
          {
            "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
            "valueCode": "normative"
          },
          {
            "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
            "valueCode": "4.0.0"
          }
        ],
        "path": "pt-lm-Task.GroupPlan",
        "short": "Group plan",
        "definition": "Reference to the digital group plan that groups this task with related tasks in the same digital care module.",
        "comment": "References SHALL be a reference to an actual FHIR resource, and SHALL be resolveable (allowing for access control, temporary unavailability, etc.). Resolution can be either by retrieval from the URL, or, where applicable by resource type, by treating an absolute reference as a canonical URL and looking it up in a local registry/repository.",
        "alias": [
          "DigitaalGroepsplan"
        ],
        "min": 1,
        "max": "1",
        "base": {
          "path": "pt-lm-Task.GroupPlan",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "code": "Reference",
            "targetProfile": [
              "http://medmij.nl/fhir/StructureDefinition/pt-lm-DigitalGroupPlan"
            ]
          }
        ],
        "condition": [
          "ele-1"
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          },
          {
            "key": "ref-1",
            "severity": "error",
            "human": "SHALL have a contained resource if a local reference is provided",
            "expression": "reference.exists() implies (reference.startsWith('#').not() or (reference.substring(1).trace('url') in %rootResource.contained.id.trace('ids')) or (reference='#' and %rootResource!=%resource))",
            "xpath": "not(starts-with(f:reference/@value, '#')) or exists(ancestor::*[self::f:entry or self::f:parameter]/f:resource/f:*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')]|/*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')])",
            "source": "http://hl7.org/fhir/StructureDefinition/Reference"
          }
        ],
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          },
          {
            "identity": "rim",
            "map": "The target of a resource reference is a RIM entry point (Act, Role, or Entity)"
          },
          {
            "identity": "pt-dataset-100-alpha1-20260511",
            "map": "pt-dataelement-3",
            "comment": "GroupPlan"
          }
        ]
      },
      {
        "id": "pt-lm-Task.ExecutionOrder",
        "extension": [
          {
            "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
            "valueCode": "normative"
          },
          {
            "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
            "valueCode": "4.0.0"
          }
        ],
        "path": "pt-lm-Task.ExecutionOrder",
        "short": "Execution order",
        "definition": "Execution order that triggered this patient task. May include patient-specific instructions and the requested schedule.",
        "comment": "References SHALL be a reference to an actual FHIR resource, and SHALL be resolveable (allowing for access control, temporary unavailability, etc.). Resolution can be either by retrieval from the URL, or, where applicable by resource type, by treating an absolute reference as a canonical URL and looking it up in a local registry/repository.",
        "alias": [
          "Uitvoeringsopdracht"
        ],
        "min": 0,
        "max": "1",
        "base": {
          "path": "pt-lm-Task.ExecutionOrder",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "Reference",
            "targetProfile": [
              "http://medmij.nl/fhir/StructureDefinition/pt-lm-ExecutionOrder"
            ]
          }
        ],
        "condition": [
          "ele-1"
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          },
          {
            "key": "ref-1",
            "severity": "error",
            "human": "SHALL have a contained resource if a local reference is provided",
            "expression": "reference.exists() implies (reference.startsWith('#').not() or (reference.substring(1).trace('url') in %rootResource.contained.id.trace('ids')) or (reference='#' and %rootResource!=%resource))",
            "xpath": "not(starts-with(f:reference/@value, '#')) or exists(ancestor::*[self::f:entry or self::f:parameter]/f:resource/f:*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')]|/*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')])",
            "source": "http://hl7.org/fhir/StructureDefinition/Reference"
          }
        ],
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          },
          {
            "identity": "rim",
            "map": "The target of a resource reference is a RIM entry point (Act, Role, or Entity)"
          },
          {
            "identity": "pt-dataset-100-alpha1-20260511",
            "map": "pt-dataelement-19",
            "comment": "ExecutionOrder"
          }
        ]
      },
      {
        "id": "pt-lm-Task.Status",
        "path": "pt-lm-Task.Status",
        "short": "Status",
        "definition": "Current state of the task in the workflow.",
        "comment": "Note that FHIR strings SHALL NOT exceed 1MB in size",
        "alias": [
          "Status"
        ],
        "min": 1,
        "max": "1",
        "base": {
          "path": "pt-lm-Task.Status",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "code": "code"
          }
        ],
        "condition": [
          "ele-1"
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          }
        ],
        "binding": {
          "strength": "required",
          "valueSet": "http://hl7.org/fhir/ValueSet/task-status"
        },
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          },
          {
            "identity": "pt-dataset-100-alpha1-20260511",
            "map": "pt-dataelement-4",
            "comment": "Status"
          }
        ]
      },
      {
        "id": "pt-lm-Task.Priority",
        "path": "pt-lm-Task.Priority",
        "short": "Priority",
        "definition": "Indicates how urgent it is to perform the activity.",
        "comment": "Note that FHIR strings SHALL NOT exceed 1MB in size",
        "alias": [
          "Prioriteit"
        ],
        "min": 0,
        "max": "1",
        "base": {
          "path": "pt-lm-Task.Priority",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "code"
          }
        ],
        "condition": [
          "ele-1"
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          }
        ],
        "binding": {
          "strength": "required",
          "valueSet": "http://hl7.org/fhir/ValueSet/request-priority"
        },
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          },
          {
            "identity": "pt-dataset-100-alpha1-20260511",
            "map": "pt-dataelement-5",
            "comment": "Priority"
          }
        ]
      },
      {
        "id": "pt-lm-Task.Description",
        "path": "pt-lm-Task.Description",
        "short": "Description",
        "definition": "Short instruction for the patient describing what to do.",
        "comment": "Note that FHIR strings SHALL NOT exceed 1MB in size",
        "alias": [
          "Omschrijving"
        ],
        "min": 0,
        "max": "1",
        "base": {
          "path": "pt-lm-Task.Description",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "string"
          }
        ],
        "condition": [
          "ele-1"
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          }
        ],
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          },
          {
            "identity": "pt-dataset-100-alpha1-20260511",
            "map": "pt-dataelement-6",
            "comment": "Description"
          }
        ]
      },
      {
        "id": "pt-lm-Task.ExecutionPeriod",
        "extension": [
          {
            "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
            "valueCode": "normative"
          },
          {
            "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
            "valueCode": "4.0.0"
          }
        ],
        "path": "pt-lm-Task.ExecutionPeriod",
        "short": "Execution period",
        "definition": "Time window in which the task should be performed (start/end), if applicable.",
        "comment": "A Period specifies a range of time; the context of use will specify whether the entire range applies (e.g. \"the patient was an inpatient of the hospital for this time range\") or one value from the range applies (e.g. \"give to the patient between these two times\").\n\nPeriod is not used for a duration (a measure of elapsed time). See [Duration](datatypes.html#Duration).",
        "alias": [
          "Periode"
        ],
        "min": 0,
        "max": "1",
        "base": {
          "path": "pt-lm-Task.ExecutionPeriod",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "Period"
          }
        ],
        "condition": [
          "ele-1"
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          },
          {
            "key": "per-1",
            "severity": "error",
            "human": "If present, start SHALL have a lower value than end",
            "expression": "start.hasValue().not() or end.hasValue().not() or (start <= end)",
            "xpath": "not(exists(f:start/@value)) or not(exists(f:end/@value)) or (xs:dateTime(f:start/@value) <= xs:dateTime(f:end/@value))",
            "source": "http://hl7.org/fhir/StructureDefinition/Period"
          }
        ],
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          },
          {
            "identity": "v2",
            "map": "DR"
          },
          {
            "identity": "rim",
            "map": "IVL<TS>[lowClosed=\"true\" and highClosed=\"true\"] or URG<TS>[lowClosed=\"true\" and highClosed=\"true\"]"
          },
          {
            "identity": "pt-dataset-100-alpha1-20260511",
            "map": "pt-dataelement-7",
            "comment": "ExecutionPeriod"
          }
        ]
      },
      {
        "id": "pt-lm-Task.AuthoredOn",
        "path": "pt-lm-Task.AuthoredOn",
        "short": "Authored on",
        "definition": "The date and time this task was created.",
        "alias": [
          "CreatieDatumTijd"
        ],
        "min": 0,
        "max": "1",
        "base": {
          "path": "pt-lm-Task.AuthoredOn",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "dateTime"
          }
        ],
        "condition": [
          "ele-1"
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          }
        ],
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          },
          {
            "identity": "pt-dataset-100-alpha1-20260511",
            "map": "pt-dataelement-34",
            "comment": "AuthoredOn"
          }
        ]
      },
      {
        "id": "pt-lm-Task.LastModified",
        "path": "pt-lm-Task.LastModified",
        "short": "Last modified",
        "definition": "The date and time of last modification to this task.",
        "alias": [
          "MutatieDatumTijd"
        ],
        "min": 0,
        "max": "1",
        "base": {
          "path": "pt-lm-Task.LastModified",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "dateTime"
          }
        ],
        "condition": [
          "ele-1"
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          }
        ],
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          },
          {
            "identity": "pt-dataset-100-alpha1-20260511",
            "map": "pt-dataelement-35",
            "comment": "LastModified"
          }
        ]
      },
      {
        "id": "pt-lm-Task.Requester",
        "extension": [
          {
            "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
            "valueCode": "normative"
          },
          {
            "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
            "valueCode": "4.0.0"
          }
        ],
        "path": "pt-lm-Task.Requester",
        "short": "Requester",
        "definition": "The healthcare professional who requested or initiated this task.",
        "comment": "References SHALL be a reference to an actual FHIR resource, and SHALL be resolveable (allowing for access control, temporary unavailability, etc.). Resolution can be either by retrieval from the URL, or, where applicable by resource type, by treating an absolute reference as a canonical URL and looking it up in a local registry/repository.",
        "alias": [
          "Aanvrager"
        ],
        "min": 0,
        "max": "1",
        "base": {
          "path": "pt-lm-Task.Requester",
          "min": 0,
          "max": "1"
        },
        "type": [
          {
            "code": "Reference",
            "targetProfile": [
              "http://medmij.nl/fhir/StructureDefinition/medmij-core-lm-HealthProfessional"
            ]
          }
        ],
        "condition": [
          "ele-1"
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          },
          {
            "key": "ref-1",
            "severity": "error",
            "human": "SHALL have a contained resource if a local reference is provided",
            "expression": "reference.exists() implies (reference.startsWith('#').not() or (reference.substring(1).trace('url') in %rootResource.contained.id.trace('ids')) or (reference='#' and %rootResource!=%resource))",
            "xpath": "not(starts-with(f:reference/@value, '#')) or exists(ancestor::*[self::f:entry or self::f:parameter]/f:resource/f:*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')]|/*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')])",
            "source": "http://hl7.org/fhir/StructureDefinition/Reference"
          }
        ],
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          },
          {
            "identity": "rim",
            "map": "The target of a resource reference is a RIM entry point (Act, Role, or Entity)"
          },
          {
            "identity": "pt-dataset-100-alpha1-20260511",
            "map": "pt-dataelement-8",
            "comment": "Requester"
          }
        ]
      },
      {
        "id": "pt-lm-Task.Owner",
        "extension": [
          {
            "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
            "valueCode": "normative"
          },
          {
            "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
            "valueCode": "4.0.0"
          }
        ],
        "path": "pt-lm-Task.Owner",
        "short": "Owner",
        "definition": "The party currently responsible for executing the task.",
        "comment": "References SHALL be a reference to an actual FHIR resource, and SHALL be resolveable (allowing for access control, temporary unavailability, etc.). Resolution can be either by retrieval from the URL, or, where applicable by resource type, by treating an absolute reference as a canonical URL and looking it up in a local registry/repository.",
        "alias": [
          "Eigenaar"
        ],
        "min": 1,
        "max": "1",
        "base": {
          "path": "pt-lm-Task.Owner",
          "min": 1,
          "max": "1"
        },
        "type": [
          {
            "code": "Reference",
            "targetProfile": [
              "http://nictiz.nl/fhir/StructureDefinition/nl-core-Patient",
              "http://medmij.nl/fhir/StructureDefinition/medmij-core-lm-HealthProfessional",
              "http://nictiz.nl/fhir/StructureDefinition/nl-core-ContactPerson",
              "http://nictiz.nl/fhir/StructureDefinition/nl-core-CareTeam"
            ]
          }
        ],
        "condition": [
          "ele-1"
        ],
        "constraint": [
          {
            "key": "ele-1",
            "severity": "error",
            "human": "All FHIR elements must have a @value or children",
            "expression": "hasValue() or (children().count() > id.count())",
            "xpath": "@value|f:*|h:div",
            "source": "http://hl7.org/fhir/StructureDefinition/Element"
          },
          {
            "key": "ref-1",
            "severity": "error",
            "human": "SHALL have a contained resource if a local reference is provided",
            "expression": "reference.exists() implies (reference.startsWith('#').not() or (reference.substring(1).trace('url') in %rootResource.contained.id.trace('ids')) or (reference='#' and %rootResource!=%resource))",
            "xpath": "not(starts-with(f:reference/@value, '#')) or exists(ancestor::*[self::f:entry or self::f:parameter]/f:resource/f:*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')]|/*/f:contained/f:*[f:id/@value=substring-after(current()/f:reference/@value, '#')])",
            "source": "http://hl7.org/fhir/StructureDefinition/Reference"
          }
        ],
        "mapping": [
          {
            "identity": "rim",
            "map": "n/a"
          },
          {
            "identity": "rim",
            "map": "The target of a resource reference is a RIM entry point (Act, Role, or Entity)"
          },
          {
            "identity": "pt-dataset-100-alpha1-20260511",
            "map": "pt-dataelement-24",
            "comment": "Owner"
          }
        ]
      }
    ]
  },
  "differential": {
    "element": [
      {
        "id": "pt-lm-Task",
        "path": "pt-lm-Task",
        "short": "Task",
        "definition": "Patient-specific task that tells a patient what to do as part of a digital care activity. A task is shown in the patient's task list and supports tracking progress and completion over time.",
        "alias": [
          "Taak"
        ],
        "mapping": [
          {
            "identity": "pt-dataset-100-alpha1-20260511",
            "map": "pt-dataelement-1",
            "comment": "Task"
          }
        ]
      },
      {
        "id": "pt-lm-Task.Identifier",
        "path": "pt-lm-Task.Identifier",
        "short": "Identifier",
        "definition": "Business identifier for this patient task.",
        "alias": [
          "Identificatie"
        ],
        "min": 0,
        "max": "*",
        "type": [
          {
            "code": "Identifier"
          }
        ],
        "mapping": [
          {
            "identity": "pt-dataset-100-alpha1-20260511",
            "map": "pt-dataelement-33",
            "comment": "Identifier"
          }
        ]
      },
      {
        "id": "pt-lm-Task.DigitalActivity",
        "path": "pt-lm-Task.DigitalActivity",
        "short": "Digital activity",
        "definition": "Reference to the digital activity definition associated with this task.",
        "alias": [
          "DigitaleActiviteit"
        ],
        "min": 1,
        "max": "1",
        "type": [
          {
            "code": "Reference",
            "targetProfile": [
              "http://medmij.nl/fhir/StructureDefinition/pt-lm-DigitalActivity"
            ]
          }
        ],
        "mapping": [
          {
            "identity": "pt-dataset-100-alpha1-20260511",
            "map": "pt-dataelement-2",
            "comment": "DigitalActivity"
          }
        ]
      },
      {
        "id": "pt-lm-Task.GroupPlan",
        "path": "pt-lm-Task.GroupPlan",
        "short": "Group plan",
        "definition": "Reference to the digital group plan that groups this task with related tasks in the same digital care module.",
        "alias": [
          "DigitaalGroepsplan"
        ],
        "min": 1,
        "max": "1",
        "type": [
          {
            "code": "Reference",
            "targetProfile": [
              "http://medmij.nl/fhir/StructureDefinition/pt-lm-DigitalGroupPlan"
            ]
          }
        ],
        "mapping": [
          {
            "identity": "pt-dataset-100-alpha1-20260511",
            "map": "pt-dataelement-3",
            "comment": "GroupPlan"
          }
        ]
      },
      {
        "id": "pt-lm-Task.ExecutionOrder",
        "path": "pt-lm-Task.ExecutionOrder",
        "short": "Execution order",
        "definition": "Execution order that triggered this patient task. May include patient-specific instructions and the requested schedule.",
        "alias": [
          "Uitvoeringsopdracht"
        ],
        "min": 0,
        "max": "1",
        "type": [
          {
            "code": "Reference",
            "targetProfile": [
              "http://medmij.nl/fhir/StructureDefinition/pt-lm-ExecutionOrder"
            ]
          }
        ],
        "mapping": [
          {
            "identity": "pt-dataset-100-alpha1-20260511",
            "map": "pt-dataelement-19",
            "comment": "ExecutionOrder"
          }
        ]
      },
      {
        "id": "pt-lm-Task.Status",
        "path": "pt-lm-Task.Status",
        "short": "Status",
        "definition": "Current state of the task in the workflow.",
        "alias": [
          "Status"
        ],
        "min": 1,
        "max": "1",
        "type": [
          {
            "code": "code"
          }
        ],
        "binding": {
          "strength": "required",
          "valueSet": "http://hl7.org/fhir/ValueSet/task-status"
        },
        "mapping": [
          {
            "identity": "pt-dataset-100-alpha1-20260511",
            "map": "pt-dataelement-4",
            "comment": "Status"
          }
        ]
      },
      {
        "id": "pt-lm-Task.Priority",
        "path": "pt-lm-Task.Priority",
        "short": "Priority",
        "definition": "Indicates how urgent it is to perform the activity.",
        "alias": [
          "Prioriteit"
        ],
        "min": 0,
        "max": "1",
        "type": [
          {
            "code": "code"
          }
        ],
        "binding": {
          "strength": "required",
          "valueSet": "http://hl7.org/fhir/ValueSet/request-priority"
        },
        "mapping": [
          {
            "identity": "pt-dataset-100-alpha1-20260511",
            "map": "pt-dataelement-5",
            "comment": "Priority"
          }
        ]
      },
      {
        "id": "pt-lm-Task.Description",
        "path": "pt-lm-Task.Description",
        "short": "Description",
        "definition": "Short instruction for the patient describing what to do.",
        "alias": [
          "Omschrijving"
        ],
        "min": 0,
        "max": "1",
        "type": [
          {
            "code": "string"
          }
        ],
        "mapping": [
          {
            "identity": "pt-dataset-100-alpha1-20260511",
            "map": "pt-dataelement-6",
            "comment": "Description"
          }
        ]
      },
      {
        "id": "pt-lm-Task.ExecutionPeriod",
        "path": "pt-lm-Task.ExecutionPeriod",
        "short": "Execution period",
        "definition": "Time window in which the task should be performed (start/end), if applicable.",
        "alias": [
          "Periode"
        ],
        "min": 0,
        "max": "1",
        "type": [
          {
            "code": "Period"
          }
        ],
        "mapping": [
          {
            "identity": "pt-dataset-100-alpha1-20260511",
            "map": "pt-dataelement-7",
            "comment": "ExecutionPeriod"
          }
        ]
      },
      {
        "id": "pt-lm-Task.AuthoredOn",
        "path": "pt-lm-Task.AuthoredOn",
        "short": "Authored on",
        "definition": "The date and time this task was created.",
        "alias": [
          "CreatieDatumTijd"
        ],
        "min": 0,
        "max": "1",
        "type": [
          {
            "code": "dateTime"
          }
        ],
        "mapping": [
          {
            "identity": "pt-dataset-100-alpha1-20260511",
            "map": "pt-dataelement-34",
            "comment": "AuthoredOn"
          }
        ]
      },
      {
        "id": "pt-lm-Task.LastModified",
        "path": "pt-lm-Task.LastModified",
        "short": "Last modified",
        "definition": "The date and time of last modification to this task.",
        "alias": [
          "MutatieDatumTijd"
        ],
        "min": 0,
        "max": "1",
        "type": [
          {
            "code": "dateTime"
          }
        ],
        "mapping": [
          {
            "identity": "pt-dataset-100-alpha1-20260511",
            "map": "pt-dataelement-35",
            "comment": "LastModified"
          }
        ]
      },
      {
        "id": "pt-lm-Task.Requester",
        "path": "pt-lm-Task.Requester",
        "short": "Requester",
        "definition": "The healthcare professional who requested or initiated this task.",
        "alias": [
          "Aanvrager"
        ],
        "min": 0,
        "max": "1",
        "type": [
          {
            "code": "Reference",
            "targetProfile": [
              "http://medmij.nl/fhir/StructureDefinition/medmij-core-lm-HealthProfessional"
            ]
          }
        ],
        "mapping": [
          {
            "identity": "pt-dataset-100-alpha1-20260511",
            "map": "pt-dataelement-8",
            "comment": "Requester"
          }
        ]
      },
      {
        "id": "pt-lm-Task.Owner",
        "path": "pt-lm-Task.Owner",
        "short": "Owner",
        "definition": "The party currently responsible for executing the task.",
        "alias": [
          "Eigenaar"
        ],
        "min": 1,
        "max": "1",
        "type": [
          {
            "code": "Reference",
            "targetProfile": [
              "http://nictiz.nl/fhir/StructureDefinition/nl-core-Patient",
              "http://medmij.nl/fhir/StructureDefinition/medmij-core-lm-HealthProfessional",
              "http://nictiz.nl/fhir/StructureDefinition/nl-core-ContactPerson",
              "http://nictiz.nl/fhir/StructureDefinition/nl-core-CareTeam"
            ]
          }
        ],
        "mapping": [
          {
            "identity": "pt-dataset-100-alpha1-20260511",
            "map": "pt-dataelement-24",
            "comment": "Owner"
          }
        ]
      }
    ]
  }
}