OpenEHR Base package
0.1.0 - First Draft
OpenEHR Base package
0.1.0 - First Draft
OpenEHR Base package, published by openEHR + HL7. This guide is not an authorized publication; it is the continuous build for version 0.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/openehr-fhir/base-spec/ and changes regularly. See the Directory of published versions
| Page standards status: Informative | Maturity Level: 3 |
JSON representation of the ACTIVITY logical model.
{
"resourceType" : "StructureDefinition",
"id" : "ACTIVITY",
"text" : {
"status" : "extensions",
"div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: StructureDefinition ACTIVITY</b></p><table border=\"0\" cellpadding=\"0\" cellspacing=\"0\" style=\"border: 0px #F0F0F0 solid; font-size: 11px; font-family: verdana; vertical-align: top;\"><tr style=\"border: 1px #F0F0F0 solid; font-size: 11px; font-family: verdana; vertical-align: top\"><th style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px\" class=\"hierarchy\"><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"The logical name of the element\">Name</a></th><th style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px\" class=\"hierarchy\"><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"Information about the use of the element\">Flags</a></th><th style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px\" class=\"hierarchy\"><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"Minimum and Maximum # of times the element can appear in the instance\">Card.</a></th><th style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px; width: 100px\" class=\"hierarchy\"><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"Reference to the type of the element\">Type</a></th><th style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px\" class=\"hierarchy\"><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"Additional information about the element\">Description & Constraints</a><span style=\"float: right\"><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"Legend for this format\"><img src=\"data:image/png;base64,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\" alt=\"doco\" style=\"background-color: inherit\"/></a></span></th></tr><tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck1.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_element.gif\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"StructureDefinition-ACTIVITY-definitions.html#ACTIVITY\" title=\"Defines a single activity within an Instruction, such as a medication administration. \">ACTIVITY</a><a name=\"ACTIVITY\"> </a></td><td style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"padding-left: 3px; padding-right: 3px; border: 1px maroon solid; font-weight: bold; color: #301212; background-color: #fdf4f4;; padding-left: 3px; padding-right: 3px; border: 1px maroon solid; font-weight: bold; color: #301212; background-color: #fdf4f4;\" href=\"http://hl7.org/fhir/R5/conformance-rules.html#constraints\" title=\"This element has or is affected by constraints ( Action_archetype_id_valid )\">C</a></td><td style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..*</td><td style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"StructureDefinition-LOCATABLE.html\">LOCATABLE</a></td><td style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Defines a single activity within an Instruction, such as a medication administration.<br/><br/>Elements defined in Ancestors:<a href=\"StructureDefinition-LOCATABLE.html\" title=\"Runtime name of this fragment, used to build runtime paths. This is the term provided via a clinical application or batch process to name this EHR construct: its retention in the EHR faithfully preserves the original label by which this entry was known to end users. \n\">name</a>, <a href=\"StructureDefinition-LOCATABLE.html\" title=\"Design-time archetype identifier of this node taken from its generating archetype; used to build archetype paths. Always in the form of an at-code, e.g. `at0005`. This value enables a 'standardised' name for this node to be generated, by referring to the generating archetype local terminology. \n\nAt an archetype root point, the value of this attribute is always the stringified form of the `_archetype_id_` found in the `_archetype_details_` object. \n\">archetype_node_id</a>, <a href=\"StructureDefinition-LOCATABLE.html\" title=\"Optional globally unique object identifier for root points of archetyped structures. \">uid</a>, <a href=\"StructureDefinition-LOCATABLE.html\" title=\"Links to other archetyped structures (data whose root object inherits from `ARCHETYPED`, such as `ENTRY`, `SECTION` and so on). Links may be to structures in other compositions. \">links</a>, <a href=\"StructureDefinition-LOCATABLE.html\" title=\"Details of archetyping used on this node.\">archetype_details</a>, <a href=\"StructureDefinition-LOCATABLE.html\" title=\"Audit trail from non-openEHR system of original commit of information forming the content of this node, or from a conversion gateway which has synthesised this node. \">feeder_audit</a><br class=\"constraint\"/><span title=\"null\" class=\"constraint\">Constraints: </span><span style=\"font-weight:bold\" title=\"Action archetype id valid must not be empty\" class=\"constraint\">Action_archetype_id_valid</span><br/></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck10.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_resource.png\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Resource\" class=\"hierarchy\"/> <a href=\"StructureDefinition-ACTIVITY-definitions.html#ACTIVITY.timing\" title=\"Timing of the activity, in the form of a parsable string. If used, the preferred syntax is ISO8601 'R' format, but other formats may be used including HL7 GTS.\n\nMay be omitted if:\n\n* timing is represented structurally in the `_description_` attribute (e.g. via archetyped elements), or\n* unavailable, e.g. imported legacy data; in such cases, the `INSTRUCTION._narrative_` should carry text that indicates the timing of its `_activities_`.\">timing</a><a name=\"ACTIVITY.timing\"> </a></td><td style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..1</td><td style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"StructureDefinition-DV-PARSABLE.html\">DV_PARSABLE</a></td><td style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Timing of the activity, in the form of a parsable string.</td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck10.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_primitive.png\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Primitive Data Type\" class=\"hierarchy\"/> <a href=\"StructureDefinition-ACTIVITY-definitions.html#ACTIVITY.action-archetype-id\" title=\"Perl-compliant regular expression pattern, enclosed in '//' delimiters, indicating the valid identifiers of archetypes for Actions corresponding to this Activity specification. \n\nDefaults to `/.*/`, meaning any archetype.\">action_archetype_id</a><a name=\"ACTIVITY.action_archetype_id\"> </a></td><td style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">1..1</td><td style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R5/datatypes.html#string\">string</a></td><td style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Perl-compliant regular expression pattern, enclosed in '//' delimiters, indicating the valid identifiers of archetypes for Actions corresponding to this Activity specification.</td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck00.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_resource.png\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Resource\" class=\"hierarchy\"/> <a href=\"StructureDefinition-ACTIVITY-definitions.html#ACTIVITY.description\" title=\"Description of the activity, in the form of an archetyped structure.\">description</a><a name=\"ACTIVITY.description\"> </a></td><td style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">1..1</td><td style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"StructureDefinition-ITEM-STRUCTURE.html\">ITEM_STRUCTURE</a></td><td style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Description of the activity, in the form of an archetyped structure.</td></tr>\r\n<tr><td colspan=\"5\" class=\"hierarchy\"><br/><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"Legend for this format\"><img src=\"data:image/png;base64,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\" alt=\"doco\" style=\"background-color: inherit\"/> Documentation for this format</a></td></tr></table></div>"
},
"extension" : [
{
"url" : "http://hl7.org/fhir/tools/StructureDefinition/web-source",
"valueUrl" : "https://specifications.openehr.org/releases/RM/development/ehr.html#_activity_class"
},
{
"url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
"valueCode" : "fhir"
},
{
"url" : "http://hl7.org/fhir/tools/StructureDefinition/type-operation",
"valueCanonical" : "#concept"
},
{
"url" : "http://hl7.org/fhir/tools/StructureDefinition/view-hint",
"valueCode" : "element-view-replace-cardinality"
},
{
"url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
"valueInteger" : 3,
"_valueInteger" : {
"extension" : [
{
"url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
"valueCanonical" : "http://openehr.org/fhir/ImplementationGuide/openehr.base"
}
]
}
},
{
"url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
"valueCode" : "informative",
"_valueCode" : {
"extension" : [
{
"url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
"valueCanonical" : "http://openehr.org/fhir/ImplementationGuide/openehr.base"
}
]
}
}
],
"url" : "http://openehr.org/fhir/StructureDefinition/ACTIVITY",
"version" : "0.1.0",
"name" : "ACTIVITY",
"title" : "ACTIVITY",
"status" : "active",
"experimental" : false,
"date" : "2025-09-06T15:35:39+10:00",
"publisher" : "openEHR + HL7",
"contact" : [
{
"telecom" : [
{
"system" : "url",
"value" : "http://www.openehr.org"
}
]
}
],
"description" : "Defines a single activity within an Instruction, such as a medication administration. ",
"jurisdiction" : [
{
"coding" : [
{
"system" : "http://unstats.un.org/unsd/methods/m49/m49.htm",
"code" : "001"
}
]
}
],
"fhirVersion" : "5.0.0",
"mapping" : [
{
"identity" : "rim",
"uri" : "http://hl7.org/v3",
"name" : "RIM Mapping"
}
],
"kind" : "logical",
"abstract" : false,
"type" : "http://openehr.org/fhir/StructureDefinition/ACTIVITY",
"baseDefinition" : "http://openehr.org/fhir/StructureDefinition/LOCATABLE",
"derivation" : "specialization",
"snapshot" : {
"extension" : [
{
"url" : "http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version",
"valueString" : "0.1.0"
}
],
"element" : [
{
"id" : "ACTIVITY",
"path" : "ACTIVITY",
"short" : "Defines a single activity within an Instruction, such as a medication administration.",
"definition" : "Defines a single activity within an Instruction, such as a medication administration. ",
"min" : 0,
"max" : "*",
"base" : {
"path" : "Base",
"min" : 0,
"max" : "*"
},
"constraint" : [
{
"key" : "Links_valid",
"severity" : "error",
"human" : "Links valid must be present",
"expression" : "links.exists() implies links.empty().not()",
"source" : "http://openehr.org/fhir/StructureDefinition/LOCATABLE"
},
{
"key" : "Archetyped_valid",
"severity" : "error",
"human" : "Archetyped valid must satisfy exclusive conditions",
"expression" : "is_archetype_root() xor archetype_details .empty()",
"source" : "http://openehr.org/fhir/StructureDefinition/LOCATABLE"
},
{
"key" : "Archetype_node_id_valid",
"severity" : "error",
"human" : "Archetype node id valid must not be empty",
"expression" : "archetype_node_id.empty().not()",
"source" : "http://openehr.org/fhir/StructureDefinition/LOCATABLE"
},
{
"key" : "Action_archetype_id_valid",
"severity" : "error",
"human" : "Action archetype id valid must not be empty",
"expression" : "action_archetype_id.empty().not()"
}
],
"isModifier" : false,
"mapping" : [
{
"identity" : "rim",
"map" : "n/a"
}
]
},
{
"id" : "ACTIVITY.name",
"path" : "ACTIVITY.name",
"short" : "Runtime name of this fragment, used to build runtime paths.",
"definition" : "Runtime name of this fragment, used to build runtime paths. This is the term provided via a clinical application or batch process to name this EHR construct: its retention in the EHR faithfully preserves the original label by which this entry was known to end users.",
"min" : 1,
"max" : "1",
"base" : {
"path" : "LOCATABLE.name",
"min" : 1,
"max" : "1"
},
"type" : [
{
"code" : "http://openehr.org/fhir/StructureDefinition/DV-TEXT"
}
],
"isModifier" : false
},
{
"id" : "ACTIVITY.archetype-node-id",
"path" : "ACTIVITY.archetype_node_id",
"short" : "Design-time archetype identifier of this node taken from its generating archetype; used to build archetype paths.",
"definition" : "Design-time archetype identifier of this node taken from its generating archetype; used to build archetype paths. Always in the form of an at-code, e.g. `at0005`. This value enables a 'standardised' name for this node to be generated, by referring to the generating archetype local terminology. \n\nAt an archetype root point, the value of this attribute is always the stringified form of the `_archetype_id_` found in the `_archetype_details_` object.",
"min" : 1,
"max" : "1",
"base" : {
"path" : "LOCATABLE.archetype_node_id",
"min" : 1,
"max" : "1"
},
"type" : [
{
"code" : "string"
}
],
"isModifier" : false
},
{
"id" : "ACTIVITY.uid",
"path" : "ACTIVITY.uid",
"short" : "Optional globally unique object identifier for root points of archetyped structures.",
"definition" : "Optional globally unique object identifier for root points of archetyped structures.",
"min" : 0,
"max" : "1",
"base" : {
"path" : "LOCATABLE.uid",
"min" : 0,
"max" : "1"
},
"type" : [
{
"code" : "http://openehr.org/fhir/StructureDefinition/UID-BASED-ID"
}
],
"isModifier" : false
},
{
"id" : "ACTIVITY.links",
"path" : "ACTIVITY.links",
"short" : "Links to other archetyped structures (data whose root object inherits from `ARCHETYPED`, such as `ENTRY`, `SECTION` and so on).",
"definition" : "Links to other archetyped structures (data whose root object inherits from `ARCHETYPED`, such as `ENTRY`, `SECTION` and so on). Links may be to structures in other compositions.",
"min" : 0,
"max" : "*",
"base" : {
"path" : "LOCATABLE.links",
"min" : 0,
"max" : "*"
},
"type" : [
{
"code" : "http://openehr.org/fhir/StructureDefinition/LINK"
}
],
"isModifier" : false
},
{
"id" : "ACTIVITY.archetype-details",
"path" : "ACTIVITY.archetype_details",
"short" : "Details of archetyping used on this node.",
"definition" : "Details of archetyping used on this node.",
"min" : 0,
"max" : "1",
"base" : {
"path" : "LOCATABLE.archetype_details",
"min" : 0,
"max" : "1"
},
"type" : [
{
"code" : "http://openehr.org/fhir/StructureDefinition/ARCHETYPED"
}
],
"isModifier" : false
},
{
"id" : "ACTIVITY.feeder-audit",
"path" : "ACTIVITY.feeder_audit",
"short" : "Audit trail from non-openEHR system of original commit of information forming the content of this node, or from a conversion gateway which has synthesised this node.",
"definition" : "Audit trail from non-openEHR system of original commit of information forming the content of this node, or from a conversion gateway which has synthesised this node.",
"min" : 0,
"max" : "1",
"base" : {
"path" : "LOCATABLE.feeder_audit",
"min" : 0,
"max" : "1"
},
"type" : [
{
"code" : "http://openehr.org/fhir/StructureDefinition/FEEDER-AUDIT"
}
],
"isModifier" : false
},
{
"id" : "ACTIVITY.timing",
"path" : "ACTIVITY.timing",
"short" : "Timing of the activity, in the form of a parsable string.",
"definition" : "Timing of the activity, in the form of a parsable string. If used, the preferred syntax is ISO8601 'R' format, but other formats may be used including HL7 GTS.\n\nMay be omitted if:\n\n* timing is represented structurally in the `_description_` attribute (e.g. via archetyped elements), or\n* unavailable, e.g. imported legacy data; in such cases, the `INSTRUCTION._narrative_` should carry text that indicates the timing of its `_activities_`.",
"min" : 0,
"max" : "1",
"base" : {
"path" : "ACTIVITY.timing",
"min" : 0,
"max" : "1"
},
"type" : [
{
"code" : "http://openehr.org/fhir/StructureDefinition/DV-PARSABLE"
}
],
"isModifier" : false
},
{
"id" : "ACTIVITY.action-archetype-id",
"path" : "ACTIVITY.action_archetype_id",
"short" : "Perl-compliant regular expression pattern, enclosed in '//' delimiters, indicating the valid identifiers of archetypes for Actions corresponding to this Activity specification.",
"definition" : "Perl-compliant regular expression pattern, enclosed in '//' delimiters, indicating the valid identifiers of archetypes for Actions corresponding to this Activity specification. \n\nDefaults to `/.*/`, meaning any archetype.",
"min" : 1,
"max" : "1",
"base" : {
"path" : "ACTIVITY.action_archetype_id",
"min" : 1,
"max" : "1"
},
"type" : [
{
"code" : "string"
}
],
"isModifier" : false
},
{
"id" : "ACTIVITY.description",
"path" : "ACTIVITY.description",
"short" : "Description of the activity, in the form of an archetyped structure.",
"definition" : "Description of the activity, in the form of an archetyped structure.",
"min" : 1,
"max" : "1",
"base" : {
"path" : "ACTIVITY.description",
"min" : 1,
"max" : "1"
},
"type" : [
{
"code" : "http://openehr.org/fhir/StructureDefinition/ITEM-STRUCTURE"
}
],
"isModifier" : false
}
]
},
"differential" : {
"element" : [
{
"id" : "ACTIVITY",
"path" : "ACTIVITY",
"short" : "Defines a single activity within an Instruction, such as a medication administration.",
"definition" : "Defines a single activity within an Instruction, such as a medication administration. ",
"min" : 0,
"max" : "*",
"constraint" : [
{
"key" : "Action_archetype_id_valid",
"severity" : "error",
"human" : "Action archetype id valid must not be empty",
"expression" : "action_archetype_id.empty().not()"
}
],
"isModifier" : false
},
{
"id" : "ACTIVITY.timing",
"path" : "ACTIVITY.timing",
"short" : "Timing of the activity, in the form of a parsable string.",
"definition" : "Timing of the activity, in the form of a parsable string. If used, the preferred syntax is ISO8601 'R' format, but other formats may be used including HL7 GTS.\n\nMay be omitted if:\n\n* timing is represented structurally in the `_description_` attribute (e.g. via archetyped elements), or\n* unavailable, e.g. imported legacy data; in such cases, the `INSTRUCTION._narrative_` should carry text that indicates the timing of its `_activities_`.",
"min" : 0,
"max" : "1",
"type" : [
{
"code" : "http://openehr.org/fhir/StructureDefinition/DV-PARSABLE"
}
],
"isModifier" : false
},
{
"id" : "ACTIVITY.action-archetype-id",
"path" : "ACTIVITY.action_archetype_id",
"short" : "Perl-compliant regular expression pattern, enclosed in '//' delimiters, indicating the valid identifiers of archetypes for Actions corresponding to this Activity specification.",
"definition" : "Perl-compliant regular expression pattern, enclosed in '//' delimiters, indicating the valid identifiers of archetypes for Actions corresponding to this Activity specification. \n\nDefaults to `/.*/`, meaning any archetype.",
"min" : 1,
"max" : "1",
"type" : [
{
"code" : "string"
}
],
"isModifier" : false
},
{
"id" : "ACTIVITY.description",
"path" : "ACTIVITY.description",
"short" : "Description of the activity, in the form of an archetyped structure.",
"definition" : "Description of the activity, in the form of an archetyped structure.",
"min" : 1,
"max" : "1",
"type" : [
{
"code" : "http://openehr.org/fhir/StructureDefinition/ITEM-STRUCTURE"
}
],
"isModifier" : false
}
]
}
}