Release 4

Eventdefinition.profile.json

Clinical Decision Support Work GroupMaturity Level: N/AStandards Status: InformativeCompartments: Not linked to any defined compartments

Raw JSON (canonical form + also see JSON Format Specification)

StructureDefinition for eventdefinition

{
  "resourceType" : "StructureDefinition",
  "id" : "EventDefinition",
  "meta" : {
    "lastUpdated" : "2021-01-21T15:34:20.265+00:00"
  },
  "text" : {
    "status" : "generated",
    "div" : "<div>!-- Snipped for Brevity --></div>"
  },
  "extension" : [{
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
    "valueCode" : "trial-use"
  },
  {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
    "valueInteger" : 0
  },
  {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-security-category",
    "valueCode" : "anonymous"
  },
  {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode" : "cds"
  }],
  "url" : "http://hl7.org/fhir/StructureDefinition/EventDefinition",
  "version" : "4.0.1",
  "name" : "EventDefinition",
  "status" : "draft",
  "date" : "2021-01-21T15:34:20+00:00",
  "publisher" : "Health Level Seven International (Clinical Decision Support)",
  "contact" : [{
    "telecom" : [{
      "system" : "url",
      "value" : "http://hl7.org/fhir"
    }]
  },
  {
    "telecom" : [{
      "system" : "url",
      "value" : "http://www.hl7.org/Special/committees/dss/index.cfm"
    }]
  }],
  "description" : "The EventDefinition resource provides a reusable description of when a particular event can occur.",
  "fhirVersion" : "4.0.1",
  "mapping" : [{
    "identity" : "workflow",
    "uri" : "http://hl7.org/fhir/workflow",
    "name" : "Workflow Pattern"
  },
  {
    "identity" : "w5",
    "uri" : "http://hl7.org/fhir/fivews",
    "name" : "FiveWs Pattern Mapping"
  },
  {
    "identity" : "objimpl",
    "uri" : "http://hl7.org/fhir/object-implementation",
    "name" : "Object Implementation Information"
  },
  {
    "identity" : "rim",
    "uri" : "http://hl7.org/v3",
    "name" : "RIM Mapping"
  }],
  "kind" : "resource",
  "abstract" : false,
  "type" : "EventDefinition",
  "baseDefinition" : "http://hl7.org/fhir/StructureDefinition/DomainResource",
  "_baseDefinition" : {
    "extension" : [{
      "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-codegen-super",
      "valueString" : "MetadataResource"
    }]
  },
  "derivation" : "specialization",
  "snapshot" : {
    "element" : [{
      "id" : "EventDefinition",
      "path" : "EventDefinition",
      "short" : "A description of when an event can occur",
      "definition" : "The EventDefinition resource provides a reusable description of when a particular event can occur.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "EventDefinition",
        "min" : 0,
        "max" : "*"
      },
      "constraint" : [{
        "key" : "dom-2",
        "severity" : "error",
        "human" : "If the resource is contained in another resource, it SHALL NOT contain nested Resources",
        "expression" : "contained.contained.empty()",
        "xpath" : "not(parent::f:contained and f:contained)",
        "source" : "http://hl7.org/fhir/StructureDefinition/DomainResource"
      },
      {
        "key" : "dom-3",
        "severity" : "error",
        "human" : "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",
        "expression" : "contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()",
        "xpath" : "not(exists(for $id in f:contained/*/f:id/@value return $contained[not(parent::*/descendant::f:reference/@value=concat('#', $contained/*/id/@value) or descendant::f:reference[@value='#'])]))",
        "source" : "http://hl7.org/fhir/StructureDefinition/DomainResource"
      },
      {
        "key" : "dom-4",
        "severity" : "error",
        "human" : "If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated",
        "expression" : "contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()",
        "xpath" : "not(exists(f:contained/*/f:meta/f:versionId)) and not(exists(f:contained/*/f:meta/f:lastUpdated))",
        "source" : "http://hl7.org/fhir/StructureDefinition/DomainResource"
      },
      {
        "key" : "dom-5",
        "severity" : "error",
        "human" : "If a resource is contained in another resource, it SHALL NOT have a security label",
        "expression" : "contained.meta.security.empty()",
        "xpath" : "not(exists(f:contained/*/f:meta/f:security))",
        "source" : "http://hl7.org/fhir/StructureDefinition/DomainResource"
      },
      {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice",
          "valueBoolean" : true
        },
        {
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice-explanation",
          "valueMarkdown" : "Когда у ресурса нет описания, только системы, которые полностью понимают данные, могут безопасно отображать ресурс для человека. Включение удобочитаемого представления в ресурс делает экосистему гораздо более надежной и удешевляет обработку ресурсов промежуточными системами. Некоторые экосистемы ограничивают распределение ресурсов только теми системами, которые полностью понимают ресурсы, и, как следствие, разработчики могут считать, что повествование излишне. Однако опыт показывает, что такие экосистемы часто открываются для новых участников со временем."
        }],
        "key" : "dom-6",
        "severity" : "warning",
        "human" : "A resource should have narrative for robust management",
        "expression" : "text.`div`.exists()",
        "xpath" : "exists(f:text/h:div)",
        "source" : "http://hl7.org/fhir/StructureDefinition/DomainResource"
      },
      {
        "key" : "evd-0",
        "severity" : "warning",
        "human" : "Name should be usable as an identifier for the module by machine processing applications such as code generation",
        "expression" : "name.matches('[A-Z]([A-Za-z0-9_]){0,254}')",
        "xpath" : "not(exists(f:name/@value)) or matches(f:name/@value, '[A-Z]([A-Za-z0-9_]){0,254}')"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "Entity. Role, or Act"
      },
      {
        "identity" : "workflow",
        "map" : "Definition"
      }]
    },
    {
      "id" : "EventDefinition.id",
      "path" : "EventDefinition.id",
      "short" : "Logical id of this artifact",
      "definition" : "The logical id of the resource, as used in the URL for the resource. Once assigned, this value never changes.",
      "comment" : "The only time that a resource does not have an id is when it is being submitted to the server using a create operation.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Resource.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"
      }],
      "isModifier" : false,
      "isSummary" : true
    },
    {
      "id" : "EventDefinition.meta",
      "path" : "EventDefinition.meta",
      "short" : "Metadata about the resource",
      "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.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Resource.meta",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "Meta"
      }],
      "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"
      }],
      "isModifier" : false,
      "isSummary" : true
    },
    {
      "id" : "EventDefinition.implicitRules",
      "path" : "EventDefinition.implicitRules",
      "short" : "A set of rules under which this content was created",
      "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.",
      "comment" : "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 it's narrative along with other profiles, value sets, etc.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Resource.implicitRules",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "uri"
      }],
      "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"
      }],
      "isModifier" : true,
      "isModifierReason" : "This element is labeled as a modifier because the implicit rules may provide additional knowledge about the resource that modifies it's meaning or interpretation",
      "isSummary" : true
    },
    {
      "id" : "EventDefinition.language",
      "path" : "EventDefinition.language",
      "short" : "Language of the resource content",
      "definition" : "The base language in which the resource is written.",
      "comment" : "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).",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "Resource.language",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "code"
      }],
      "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"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-maxValueSet",
          "valueCanonical" : "http://hl7.org/fhir/ValueSet/all-languages"
        },
        {
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "Language"
        },
        {
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding",
          "valueBoolean" : true
        }],
        "strength" : "preferred",
        "description" : "A human language.",
        "valueSet" : "http://hl7.org/fhir/ValueSet/languages"
      }
    },
    {
      "id" : "EventDefinition.text",
      "path" : "EventDefinition.text",
      "short" : "Text summary of the resource, for human interpretation",
      "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.",
      "comment" : "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 information is added later.",
      "alias" : ["narrative",
      "html",
      "xhtml",
      "display"],
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "DomainResource.text",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "Narrative"
      }],
      "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"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "Act.text?"
      }]
    },
    {
      "id" : "EventDefinition.contained",
      "path" : "EventDefinition.contained",
      "short" : "Contained, inline Resources",
      "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.",
      "comment" : "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.",
      "alias" : ["inline resources",
      "anonymous resources",
      "contained resources"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "DomainResource.contained",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Resource"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "N/A"
      }]
    },
    {
      "id" : "EventDefinition.extension",
      "path" : "EventDefinition.extension",
      "short" : "Additional content defined by implementations",
      "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 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" : "DomainResource.extension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "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"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "N/A"
      }]
    },
    {
      "id" : "EventDefinition.modifierExtension",
      "path" : "EventDefinition.modifierExtension",
      "short" : "Extensions that cannot be ignored",
      "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 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.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself).",
      "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.",
      "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](extensibility.html#modifierExtension).",
      "alias" : ["extensions",
      "user content"],
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "DomainResource.modifierExtension",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Extension"
      }],
      "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"
      }],
      "isModifier" : true,
      "isModifierReason" : "Modifier extensions are expected to modify the meaning or interpretation of the resource that contains them",
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : "N/A"
      }]
    },
    {
      "id" : "EventDefinition.url",
      "path" : "EventDefinition.url",
      "short" : "Canonical identifier for this event definition, represented as a URI (globally unique)",
      "definition" : "An absolute URI that is used to identify this event definition when it is referenced in a specification, model, design or an instance; also called its canonical identifier. This SHOULD be globally unique and SHOULD be a literal address at which at which an authoritative instance of this event definition is (or will be) published. This URL can be the target of a canonical reference. It SHALL remain the same when the event definition is stored on different servers.",
      "comment" : "Can be a urn:uuid: or a urn:oid: but real http: addresses are preferred.  Multiple instances may share the same URL if they have a distinct version.\n\nThe determination of when to create a new version of a resource (same url, new version) vs. defining a new artifact is up to the author.  Considerations for making this decision are found in [Technical and Business Versions](resource.html#versions). \n\nIn some cases, the resource can no longer be found at the stated url, but the url itself cannot change. Implementations can use the [meta.source](resource.html#meta) element to indicate where the current master source of the resource can be found.",
      "requirements" : "Allows the event definition to be referenced by a single globally unique identifier.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "EventDefinition.url",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "uri"
      }],
      "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"
      }],
      "isModifier" : false,
      "isSummary" : true,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.url"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.identifier"
      }]
    },
    {
      "id" : "EventDefinition.identifier",
      "path" : "EventDefinition.identifier",
      "short" : "Additional identifier for the event definition",
      "definition" : "A formal identifier that is used to identify this event definition when it is represented in other formats, or referenced in a specification, model, design or an instance.",
      "comment" : "Typically, this is used for identifiers that can go in an HL7 V3 II (instance identifier) data type, and can then identify this event definition outside of FHIR, where it is not possible to use the logical URI.",
      "requirements" : "Allows externally provided and/or usable business identifiers to be easily associated with the module.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "EventDefinition.identifier",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "Identifier"
      }],
      "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"
      }],
      "isModifier" : false,
      "isSummary" : true,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.identifier"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.identifier"
      },
      {
        "identity" : "objimpl",
        "map" : "no-gen-base"
      }]
    },
    {
      "id" : "EventDefinition.version",
      "path" : "EventDefinition.version",
      "short" : "Business version of the event definition",
      "definition" : "The identifier that is used to identify this version of the event definition when it is referenced in a specification, model, design or instance. This is an arbitrary value managed by the event definition author and is not expected to be globally unique. For example, it might be a timestamp (e.g. yyyymmdd) if a managed version is not available. There is also no expectation that versions can be placed in a lexicographical sequence.",
      "comment" : "There may be different event definition instances that have the same identifier but different versions.  The version can be appended to the url in a reference to allow a reference to a particular business version of the event definition with the format [url]|[version].",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "EventDefinition.version",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "string"
      }],
      "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"
      }],
      "isModifier" : false,
      "isSummary" : true,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.version"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.version"
      }]
    },
    {
      "id" : "EventDefinition.name",
      "path" : "EventDefinition.name",
      "short" : "Name for this event definition (computer friendly)",
      "definition" : "A natural language name identifying the event definition. This name should be usable as an identifier for the module by machine processing applications such as code generation.",
      "comment" : "The name is not expected to be globally unique. The name should be a simple alphanumeric type name to ensure that it is machine-processing friendly.",
      "requirements" : "Support human navigation and code generation.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "EventDefinition.name",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "string"
      }],
      "condition" : ["inv-0"],
      "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"
      }],
      "isModifier" : false,
      "isSummary" : true
    },
    {
      "id" : "EventDefinition.title",
      "path" : "EventDefinition.title",
      "short" : "Name for this event definition (human friendly)",
      "definition" : "A short, descriptive, user-friendly title for the event definition.",
      "comment" : "This name does not need to be machine-processing friendly and may contain punctuation, white-space, etc.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "EventDefinition.title",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "string"
      }],
      "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"
      }],
      "isModifier" : false,
      "isSummary" : true,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.title"
      }]
    },
    {
      "id" : "EventDefinition.subtitle",
      "path" : "EventDefinition.subtitle",
      "short" : "Subordinate title of the event definition",
      "definition" : "An explanatory or alternate title for the event definition giving additional information about its content.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "EventDefinition.subtitle",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "string"
      }],
      "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"
      }],
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "EventDefinition.status",
      "path" : "EventDefinition.status",
      "short" : "draft | active | retired | unknown",
      "definition" : "The status of this event definition. Enables tracking the life-cycle of the content.",
      "comment" : "Allows filtering of event definitions that are appropriate for use versus not.",
      "min" : 1,
      "max" : "1",
      "base" : {
        "path" : "EventDefinition.status",
        "min" : 1,
        "max" : "1"
      },
      "type" : [{
        "code" : "code"
      }],
      "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"
      }],
      "isModifier" : true,
      "isModifierReason" : "This is labeled as \"Is Modifier\" because applications should not use a retired {{title}} without due consideration",
      "isSummary" : true,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "PublicationStatus"
        },
        {
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding",
          "valueBoolean" : true
        }],
        "strength" : "required",
        "description" : "The lifecycle status of an artifact.",
        "valueSet" : "http://hl7.org/fhir/ValueSet/publication-status|4.0.1"
      },
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.status"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.status"
      }]
    },
    {
      "id" : "EventDefinition.experimental",
      "path" : "EventDefinition.experimental",
      "short" : "For testing purposes, not real usage",
      "definition" : "A Boolean value to indicate that this event definition is authored for testing purposes (or education/evaluation/marketing) and is not intended to be used for genuine usage.",
      "comment" : "Allows filtering of event definitions that are appropriate for use versus not.",
      "requirements" : "Enables experimental content to be developed following the same lifecycle that would be used for a production-level event definition.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "EventDefinition.experimental",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "boolean"
      }],
      "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"
      }],
      "isModifier" : false,
      "isSummary" : true,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.experimental"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.class"
      }]
    },
    {
      "id" : "EventDefinition.subject[x]",
      "path" : "EventDefinition.subject[x]",
      "short" : "Type of individual the event definition is focused on",
      "definition" : "A code or group definition that describes the intended subject of the event definition.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "EventDefinition.subject[x]",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "CodeableConcept"
      },
      {
        "code" : "Reference",
        "targetProfile" : ["http://hl7.org/fhir/StructureDefinition/Group"]
      }],
      "meaningWhenMissing" : "Patient",
      "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"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "SubjectType"
        }],
        "strength" : "extensible",
        "description" : "The possible types of subjects for an event (E.g. Patient, Practitioner, Organization, Location, etc.).",
        "valueSet" : "http://hl7.org/fhir/ValueSet/subject-type"
      },
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.subject"
      }]
    },
    {
      "id" : "EventDefinition.date",
      "path" : "EventDefinition.date",
      "short" : "Date last changed",
      "definition" : "The date  (and optionally time) when the event definition was published. The date must change when the business version changes and it must change if the status code changes. In addition, it should change when the substantive content of the event definition changes.",
      "comment" : "Note that this is not the same as the resource last-modified-date, since the resource may be a secondary representation of the event definition. Additional specific dates may be added as extensions or be found by consulting Provenances associated with past versions of the resource.",
      "alias" : ["Revision Date"],
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "EventDefinition.date",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "dateTime"
      }],
      "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"
      }],
      "isModifier" : false,
      "isSummary" : true,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.date"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.recorded"
      }]
    },
    {
      "id" : "EventDefinition.publisher",
      "path" : "EventDefinition.publisher",
      "short" : "Name of the publisher (organization or individual)",
      "definition" : "The name of the organization or individual that published the event definition.",
      "comment" : "Usually an organization but may be an individual. The publisher (or steward) of the event definition is the organization or individual primarily responsible for the maintenance and upkeep of the event definition. This is not necessarily the same individual or organization that developed and initially authored the content. The publisher is the primary point of contact for questions or issues with the event definition. This item SHOULD be populated unless the information is available from context.",
      "requirements" : "Helps establish the \"authority/credibility\" of the event definition.  May also allow for contact.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "EventDefinition.publisher",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "string"
      }],
      "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"
      }],
      "isModifier" : false,
      "isSummary" : true,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.publisher"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.witness"
      }]
    },
    {
      "id" : "EventDefinition.contact",
      "path" : "EventDefinition.contact",
      "short" : "Contact details for the publisher",
      "definition" : "Contact details to assist a user in finding and communicating with the publisher.",
      "comment" : "May be a web site, an email address, a telephone number, etc.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "EventDefinition.contact",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "ContactDetail"
      }],
      "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"
      }],
      "isModifier" : false,
      "isSummary" : true,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.contact"
      }]
    },
    {
      "id" : "EventDefinition.description",
      "path" : "EventDefinition.description",
      "short" : "Natural language description of the event definition",
      "definition" : "A free text natural language description of the event definition from a consumer's perspective.",
      "comment" : "This description can be used to capture details such as why the event definition was built, comments about misuse, instructions for clinical use and interpretation, literature references, examples from the paper world, etc. It is not a rendering of the event definition as conveyed in the 'text' field of the resource itself. This item SHOULD be populated unless the information is available from context (e.g. the language of the event definition is presumed to be the predominant language in the place the event definition was created).",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "EventDefinition.description",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "markdown"
      }],
      "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"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.description"
      }]
    },
    {
      "id" : "EventDefinition.useContext",
      "path" : "EventDefinition.useContext",
      "short" : "The context that the content is intended to support",
      "definition" : "The content was developed with a focus and intent of supporting the contexts that are listed. These contexts may be general categories (gender, age, ...) or may be references to specific programs (insurance plans, studies, ...) and may be used to assist with indexing and searching for appropriate event definition instances.",
      "comment" : "When multiple useContexts are specified, there is no expectation that all or any of the contexts apply.",
      "requirements" : "Assist in searching for appropriate content.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "EventDefinition.useContext",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "UsageContext"
      }],
      "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"
      }],
      "isModifier" : false,
      "isSummary" : true,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.useContext"
      }]
    },
    {
      "id" : "EventDefinition.jurisdiction",
      "path" : "EventDefinition.jurisdiction",
      "short" : "Intended jurisdiction for event definition (if applicable)",
      "definition" : "A legal or geographic region in which the event definition is intended to be used.",
      "comment" : "It may be possible for the event definition to be used in jurisdictions other than those for which it was originally designed or intended.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "EventDefinition.jurisdiction",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "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"
      }],
      "isModifier" : false,
      "isSummary" : true,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "Jurisdiction"
        },
        {
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding",
          "valueBoolean" : true
        }],
        "strength" : "extensible",
        "description" : "Countries and regions within which this artifact is targeted for use.",
        "valueSet" : "http://hl7.org/fhir/ValueSet/jurisdiction"
      },
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.jurisdiction"
      }]
    },
    {
      "id" : "EventDefinition.purpose",
      "path" : "EventDefinition.purpose",
      "short" : "Why this event definition is defined",
      "definition" : "Explanation of why this event definition is needed and why it has been designed as it has.",
      "comment" : "This element does not describe the usage of the event definition. Instead, it provides traceability of ''why'' the resource is either needed or ''why'' it is defined as it is.  This may be used to point to source materials or specifications that drove the structure of this event definition.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "EventDefinition.purpose",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "markdown"
      }],
      "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"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.purpose"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.why[x]"
      },
      {
        "identity" : "objimpl",
        "map" : "no-gen-base"
      }]
    },
    {
      "id" : "EventDefinition.usage",
      "path" : "EventDefinition.usage",
      "short" : "Describes the clinical usage of the event definition",
      "definition" : "A detailed description of how the event definition is used from a clinical perspective.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "EventDefinition.usage",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "string"
      }],
      "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"
      }],
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "EventDefinition.copyright",
      "path" : "EventDefinition.copyright",
      "short" : "Use and/or publishing restrictions",
      "definition" : "A copyright statement relating to the event definition and/or its contents. Copyright statements are generally legal restrictions on the use and publishing of the event definition.",
      "requirements" : "Consumers must be able to determine any legal restrictions on the use of the event definition and/or its content.",
      "alias" : ["License",
      "Restrictions"],
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "EventDefinition.copyright",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "markdown"
      }],
      "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"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.copyright"
      },
      {
        "identity" : "objimpl",
        "map" : "no-gen-base"
      }]
    },
    {
      "id" : "EventDefinition.approvalDate",
      "path" : "EventDefinition.approvalDate",
      "short" : "When the event definition was approved by publisher",
      "definition" : "The date on which the resource content was approved by the publisher. Approval happens once when the content is officially approved for usage.",
      "comment" : "The 'date' element may be more recent than the approval date because of minor changes or editorial corrections.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "EventDefinition.approvalDate",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "date"
      }],
      "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"
      }],
      "isModifier" : false,
      "isSummary" : true,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.approvalDate"
      },
      {
        "identity" : "objimpl",
        "map" : "no-gen-base"
      }]
    },
    {
      "id" : "EventDefinition.lastReviewDate",
      "path" : "EventDefinition.lastReviewDate",
      "short" : "When the event definition was last reviewed",
      "definition" : "The date on which the resource content was last reviewed. Review happens periodically after approval but does not change the original approval date.",
      "comment" : "If specified, this date follows the original approval date.",
      "requirements" : "Gives a sense of how \"current\" the content is.  Resources that have not been reviewed in a long time may have a risk of being less appropriate/relevant.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "EventDefinition.lastReviewDate",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "date"
      }],
      "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"
      }],
      "isModifier" : false,
      "isSummary" : true,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.lastReviewDate"
      },
      {
        "identity" : "objimpl",
        "map" : "no-gen-base"
      }]
    },
    {
      "id" : "EventDefinition.effectivePeriod",
      "path" : "EventDefinition.effectivePeriod",
      "short" : "When the event definition is expected to be used",
      "definition" : "The period during which the event definition content was or is planned to be in active use.",
      "comment" : "The effective period for a event definition  determines when the content is applicable for usage and is independent of publication and review dates. For example, a measure intended to be used for the year 2016 might be published in 2015.",
      "requirements" : "Allows establishing a transition before a resource comes into effect and also allows for a sunsetting  process when new versions of the event definition are or are expected to be used instead.",
      "min" : 0,
      "max" : "1",
      "base" : {
        "path" : "EventDefinition.effectivePeriod",
        "min" : 0,
        "max" : "1"
      },
      "type" : [{
        "code" : "Period"
      }],
      "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"
      }],
      "isModifier" : false,
      "isSummary" : true,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.effectivePeriod"
      },
      {
        "identity" : "objimpl",
        "map" : "no-gen-base"
      }]
    },
    {
      "id" : "EventDefinition.topic",
      "path" : "EventDefinition.topic",
      "short" : "E.g. Education, Treatment, Assessment, etc.",
      "definition" : "Descriptive topics related to the module. Topics provide a high-level categorization of the module that can be useful for filtering and searching.",
      "requirements" : "Repositories must be able to determine how to categorize the module so that it can be found by topical searches.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "EventDefinition.topic",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "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"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "DefinitionTopic"
        }],
        "strength" : "example",
        "description" : "High-level categorization of the definition, used for searching, sorting, and filtering.",
        "valueSet" : "http://hl7.org/fhir/ValueSet/definition-topic"
      }
    },
    {
      "id" : "EventDefinition.author",
      "path" : "EventDefinition.author",
      "short" : "Who authored the content",
      "definition" : "An individiual or organization primarily involved in the creation and maintenance of the content.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "EventDefinition.author",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "ContactDetail"
      }],
      "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"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : ".participation[typeCode=AUT]"
      }]
    },
    {
      "id" : "EventDefinition.editor",
      "path" : "EventDefinition.editor",
      "short" : "Who edited the content",
      "definition" : "An individual or organization primarily responsible for internal coherence of the content.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "EventDefinition.editor",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "ContactDetail"
      }],
      "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"
      }],
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "EventDefinition.reviewer",
      "path" : "EventDefinition.reviewer",
      "short" : "Who reviewed the content",
      "definition" : "An individual or organization primarily responsible for review of some aspect of the content.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "EventDefinition.reviewer",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "ContactDetail"
      }],
      "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"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : ".participation[typeCode=VRF] {not clear whether VRF best corresponds to reviewer or endorser}"
      }]
    },
    {
      "id" : "EventDefinition.endorser",
      "path" : "EventDefinition.endorser",
      "short" : "Who endorsed the content",
      "definition" : "An individual or organization responsible for officially endorsing the content for use in some setting.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "EventDefinition.endorser",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "ContactDetail"
      }],
      "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"
      }],
      "isModifier" : false,
      "isSummary" : false,
      "mapping" : [{
        "identity" : "rim",
        "map" : ".participation[typeCode=VRF] {not clear whether VRF best corresponds to reviewer or endorser}"
      }]
    },
    {
      "id" : "EventDefinition.relatedArtifact",
      "path" : "EventDefinition.relatedArtifact",
      "short" : "Additional documentation, citations, etc.",
      "definition" : "Related resources such as additional documentation, justification, or bibliographic references.",
      "comment" : "Each related resource is either an attachment, or a reference to another resource, but not both.",
      "requirements" : "Modules must be able to provide enough information for consumers of the content (and/or interventions or results produced by the content) to be able to determine and understand the justification for and evidence in support of the content.",
      "min" : 0,
      "max" : "*",
      "base" : {
        "path" : "EventDefinition.relatedArtifact",
        "min" : 0,
        "max" : "*"
      },
      "type" : [{
        "code" : "RelatedArtifact"
      }],
      "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"
      }],
      "isModifier" : false,
      "isSummary" : false
    },
    {
      "id" : "EventDefinition.trigger",
      "path" : "EventDefinition.trigger",
      "short" : "\"when\" the event occurs (multiple = 'or')",
      "definition" : "The trigger element defines when the event occurs. If more than one trigger condition is specified, the event fires whenever any one of the trigger conditions is met.",
      "min" : 1,
      "max" : "*",
      "base" : {
        "path" : "EventDefinition.trigger",
        "min" : 1,
        "max" : "*"
      },
      "type" : [{
        "code" : "TriggerDefinition"
      }],
      "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"
      }],
      "isModifier" : false,
      "isSummary" : true
    }]
  },
  "differential" : {
    "element" : [{
      "id" : "EventDefinition",
      "path" : "EventDefinition",
      "short" : "A description of when an event can occur",
      "definition" : "The EventDefinition resource provides a reusable description of when a particular event can occur.",
      "min" : 0,
      "max" : "*",
      "constraint" : [{
        "key" : "evd-0",
        "severity" : "warning",
        "human" : "Name should be usable as an identifier for the module by machine processing applications such as code generation",
        "expression" : "name.matches('[A-Z]([A-Za-z0-9_]){0,254}')",
        "xpath" : "not(exists(f:name/@value)) or matches(f:name/@value, '[A-Z]([A-Za-z0-9_]){0,254}')"
      }],
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition"
      }]
    },
    {
      "id" : "EventDefinition.url",
      "path" : "EventDefinition.url",
      "short" : "Canonical identifier for this event definition, represented as a URI (globally unique)",
      "definition" : "An absolute URI that is used to identify this event definition when it is referenced in a specification, model, design or an instance; also called its canonical identifier. This SHOULD be globally unique and SHOULD be a literal address at which at which an authoritative instance of this event definition is (or will be) published. This URL can be the target of a canonical reference. It SHALL remain the same when the event definition is stored on different servers.",
      "comment" : "Can be a urn:uuid: or a urn:oid: but real http: addresses are preferred.  Multiple instances may share the same URL if they have a distinct version.\n\nThe determination of when to create a new version of a resource (same url, new version) vs. defining a new artifact is up to the author.  Considerations for making this decision are found in [Technical and Business Versions](resource.html#versions). \n\nIn some cases, the resource can no longer be found at the stated url, but the url itself cannot change. Implementations can use the [meta.source](resource.html#meta) element to indicate where the current master source of the resource can be found.",
      "requirements" : "Allows the event definition to be referenced by a single globally unique identifier.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "uri"
      }],
      "isSummary" : true,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.url"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.identifier"
      }]
    },
    {
      "id" : "EventDefinition.identifier",
      "path" : "EventDefinition.identifier",
      "short" : "Additional identifier for the event definition",
      "definition" : "A formal identifier that is used to identify this event definition when it is represented in other formats, or referenced in a specification, model, design or an instance.",
      "comment" : "Typically, this is used for identifiers that can go in an HL7 V3 II (instance identifier) data type, and can then identify this event definition outside of FHIR, where it is not possible to use the logical URI.",
      "requirements" : "Allows externally provided and/or usable business identifiers to be easily associated with the module.",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "Identifier"
      }],
      "isSummary" : true,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.identifier"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.identifier"
      },
      {
        "identity" : "objimpl",
        "map" : "no-gen-base"
      }]
    },
    {
      "id" : "EventDefinition.version",
      "path" : "EventDefinition.version",
      "short" : "Business version of the event definition",
      "definition" : "The identifier that is used to identify this version of the event definition when it is referenced in a specification, model, design or instance. This is an arbitrary value managed by the event definition author and is not expected to be globally unique. For example, it might be a timestamp (e.g. yyyymmdd) if a managed version is not available. There is also no expectation that versions can be placed in a lexicographical sequence.",
      "comment" : "There may be different event definition instances that have the same identifier but different versions.  The version can be appended to the url in a reference to allow a reference to a particular business version of the event definition with the format [url]|[version].",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "string"
      }],
      "isSummary" : true,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.version"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.version"
      }]
    },
    {
      "id" : "EventDefinition.name",
      "path" : "EventDefinition.name",
      "short" : "Name for this event definition (computer friendly)",
      "definition" : "A natural language name identifying the event definition. This name should be usable as an identifier for the module by machine processing applications such as code generation.",
      "comment" : "The name is not expected to be globally unique. The name should be a simple alphanumeric type name to ensure that it is machine-processing friendly.",
      "requirements" : "Support human navigation and code generation.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "string"
      }],
      "condition" : ["inv-0"],
      "isSummary" : true
    },
    {
      "id" : "EventDefinition.title",
      "path" : "EventDefinition.title",
      "short" : "Name for this event definition (human friendly)",
      "definition" : "A short, descriptive, user-friendly title for the event definition.",
      "comment" : "This name does not need to be machine-processing friendly and may contain punctuation, white-space, etc.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "string"
      }],
      "isSummary" : true,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.title"
      }]
    },
    {
      "id" : "EventDefinition.subtitle",
      "path" : "EventDefinition.subtitle",
      "short" : "Subordinate title of the event definition",
      "definition" : "An explanatory or alternate title for the event definition giving additional information about its content.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "string"
      }]
    },
    {
      "id" : "EventDefinition.status",
      "path" : "EventDefinition.status",
      "short" : "draft | active | retired | unknown",
      "definition" : "The status of this event definition. Enables tracking the life-cycle of the content.",
      "comment" : "Allows filtering of event definitions that are appropriate for use versus not.",
      "min" : 1,
      "max" : "1",
      "type" : [{
        "code" : "code"
      }],
      "isModifier" : true,
      "isModifierReason" : "This is labeled as \"Is Modifier\" because applications should not use a retired {{title}} without due consideration",
      "isSummary" : true,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "PublicationStatus"
        },
        {
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding",
          "valueBoolean" : true
        }],
        "strength" : "required",
        "description" : "The lifecycle status of an artifact.",
        "valueSet" : "http://hl7.org/fhir/ValueSet/publication-status|4.0.1"
      },
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.status"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.status"
      }]
    },
    {
      "id" : "EventDefinition.experimental",
      "path" : "EventDefinition.experimental",
      "short" : "For testing purposes, not real usage",
      "definition" : "A Boolean value to indicate that this event definition is authored for testing purposes (or education/evaluation/marketing) and is not intended to be used for genuine usage.",
      "comment" : "Allows filtering of event definitions that are appropriate for use versus not.",
      "requirements" : "Enables experimental content to be developed following the same lifecycle that would be used for a production-level event definition.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "boolean"
      }],
      "isSummary" : true,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.experimental"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.class"
      }]
    },
    {
      "id" : "EventDefinition.subject[x]",
      "path" : "EventDefinition.subject[x]",
      "short" : "Type of individual the event definition is focused on",
      "definition" : "A code or group definition that describes the intended subject of the event definition.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "CodeableConcept"
      },
      {
        "code" : "Reference",
        "targetProfile" : ["http://hl7.org/fhir/StructureDefinition/Group"]
      }],
      "meaningWhenMissing" : "Patient",
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "SubjectType"
        }],
        "strength" : "extensible",
        "description" : "The possible types of subjects for an event (E.g. Patient, Practitioner, Organization, Location, etc.).",
        "valueSet" : "http://hl7.org/fhir/ValueSet/subject-type"
      },
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.subject"
      }]
    },
    {
      "id" : "EventDefinition.date",
      "path" : "EventDefinition.date",
      "short" : "Date last changed",
      "definition" : "The date  (and optionally time) when the event definition was published. The date must change when the business version changes and it must change if the status code changes. In addition, it should change when the substantive content of the event definition changes.",
      "comment" : "Note that this is not the same as the resource last-modified-date, since the resource may be a secondary representation of the event definition. Additional specific dates may be added as extensions or be found by consulting Provenances associated with past versions of the resource.",
      "alias" : ["Revision Date"],
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "dateTime"
      }],
      "isSummary" : true,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.date"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.recorded"
      }]
    },
    {
      "id" : "EventDefinition.publisher",
      "path" : "EventDefinition.publisher",
      "short" : "Name of the publisher (organization or individual)",
      "definition" : "The name of the organization or individual that published the event definition.",
      "comment" : "Usually an organization but may be an individual. The publisher (or steward) of the event definition is the organization or individual primarily responsible for the maintenance and upkeep of the event definition. This is not necessarily the same individual or organization that developed and initially authored the content. The publisher is the primary point of contact for questions or issues with the event definition. This item SHOULD be populated unless the information is available from context.",
      "requirements" : "Helps establish the \"authority/credibility\" of the event definition.  May also allow for contact.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "string"
      }],
      "isSummary" : true,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.publisher"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.witness"
      }]
    },
    {
      "id" : "EventDefinition.contact",
      "path" : "EventDefinition.contact",
      "short" : "Contact details for the publisher",
      "definition" : "Contact details to assist a user in finding and communicating with the publisher.",
      "comment" : "May be a web site, an email address, a telephone number, etc.",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "ContactDetail"
      }],
      "isSummary" : true,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.contact"
      }]
    },
    {
      "id" : "EventDefinition.description",
      "path" : "EventDefinition.description",
      "short" : "Natural language description of the event definition",
      "definition" : "A free text natural language description of the event definition from a consumer's perspective.",
      "comment" : "This description can be used to capture details such as why the event definition was built, comments about misuse, instructions for clinical use and interpretation, literature references, examples from the paper world, etc. It is not a rendering of the event definition as conveyed in the 'text' field of the resource itself. This item SHOULD be populated unless the information is available from context (e.g. the language of the event definition is presumed to be the predominant language in the place the event definition was created).",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "markdown"
      }],
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.description"
      }]
    },
    {
      "id" : "EventDefinition.useContext",
      "path" : "EventDefinition.useContext",
      "short" : "The context that the content is intended to support",
      "definition" : "The content was developed with a focus and intent of supporting the contexts that are listed. These contexts may be general categories (gender, age, ...) or may be references to specific programs (insurance plans, studies, ...) and may be used to assist with indexing and searching for appropriate event definition instances.",
      "comment" : "When multiple useContexts are specified, there is no expectation that all or any of the contexts apply.",
      "requirements" : "Assist in searching for appropriate content.",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "UsageContext"
      }],
      "isSummary" : true,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.useContext"
      }]
    },
    {
      "id" : "EventDefinition.jurisdiction",
      "path" : "EventDefinition.jurisdiction",
      "short" : "Intended jurisdiction for event definition (if applicable)",
      "definition" : "A legal or geographic region in which the event definition is intended to be used.",
      "comment" : "It may be possible for the event definition to be used in jurisdictions other than those for which it was originally designed or intended.",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "isSummary" : true,
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "Jurisdiction"
        },
        {
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding",
          "valueBoolean" : true
        }],
        "strength" : "extensible",
        "description" : "Countries and regions within which this artifact is targeted for use.",
        "valueSet" : "http://hl7.org/fhir/ValueSet/jurisdiction"
      },
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.jurisdiction"
      }]
    },
    {
      "id" : "EventDefinition.purpose",
      "path" : "EventDefinition.purpose",
      "short" : "Why this event definition is defined",
      "definition" : "Explanation of why this event definition is needed and why it has been designed as it has.",
      "comment" : "This element does not describe the usage of the event definition. Instead, it provides traceability of ''why'' the resource is either needed or ''why'' it is defined as it is.  This may be used to point to source materials or specifications that drove the structure of this event definition.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "markdown"
      }],
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.purpose"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.why[x]"
      },
      {
        "identity" : "objimpl",
        "map" : "no-gen-base"
      }]
    },
    {
      "id" : "EventDefinition.usage",
      "path" : "EventDefinition.usage",
      "short" : "Describes the clinical usage of the event definition",
      "definition" : "A detailed description of how the event definition is used from a clinical perspective.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "string"
      }]
    },
    {
      "id" : "EventDefinition.copyright",
      "path" : "EventDefinition.copyright",
      "short" : "Use and/or publishing restrictions",
      "definition" : "A copyright statement relating to the event definition and/or its contents. Copyright statements are generally legal restrictions on the use and publishing of the event definition.",
      "requirements" : "Consumers must be able to determine any legal restrictions on the use of the event definition and/or its content.",
      "alias" : ["License",
      "Restrictions"],
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "markdown"
      }],
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.copyright"
      },
      {
        "identity" : "objimpl",
        "map" : "no-gen-base"
      }]
    },
    {
      "id" : "EventDefinition.approvalDate",
      "path" : "EventDefinition.approvalDate",
      "short" : "When the event definition was approved by publisher",
      "definition" : "The date on which the resource content was approved by the publisher. Approval happens once when the content is officially approved for usage.",
      "comment" : "The 'date' element may be more recent than the approval date because of minor changes or editorial corrections.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "date"
      }],
      "isSummary" : true,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.approvalDate"
      },
      {
        "identity" : "objimpl",
        "map" : "no-gen-base"
      }]
    },
    {
      "id" : "EventDefinition.lastReviewDate",
      "path" : "EventDefinition.lastReviewDate",
      "short" : "When the event definition was last reviewed",
      "definition" : "The date on which the resource content was last reviewed. Review happens periodically after approval but does not change the original approval date.",
      "comment" : "If specified, this date follows the original approval date.",
      "requirements" : "Gives a sense of how \"current\" the content is.  Resources that have not been reviewed in a long time may have a risk of being less appropriate/relevant.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "date"
      }],
      "isSummary" : true,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.lastReviewDate"
      },
      {
        "identity" : "objimpl",
        "map" : "no-gen-base"
      }]
    },
    {
      "id" : "EventDefinition.effectivePeriod",
      "path" : "EventDefinition.effectivePeriod",
      "short" : "When the event definition is expected to be used",
      "definition" : "The period during which the event definition content was or is planned to be in active use.",
      "comment" : "The effective period for a event definition  determines when the content is applicable for usage and is independent of publication and review dates. For example, a measure intended to be used for the year 2016 might be published in 2015.",
      "requirements" : "Allows establishing a transition before a resource comes into effect and also allows for a sunsetting  process when new versions of the event definition are or are expected to be used instead.",
      "min" : 0,
      "max" : "1",
      "type" : [{
        "code" : "Period"
      }],
      "isSummary" : true,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.effectivePeriod"
      },
      {
        "identity" : "objimpl",
        "map" : "no-gen-base"
      }]
    },
    {
      "id" : "EventDefinition.topic",
      "path" : "EventDefinition.topic",
      "short" : "E.g. Education, Treatment, Assessment, etc.",
      "definition" : "Descriptive topics related to the module. Topics provide a high-level categorization of the module that can be useful for filtering and searching.",
      "requirements" : "Repositories must be able to determine how to categorize the module so that it can be found by topical searches.",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "CodeableConcept"
      }],
      "binding" : {
        "extension" : [{
          "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
          "valueString" : "DefinitionTopic"
        }],
        "strength" : "example",
        "description" : "High-level categorization of the definition, used for searching, sorting, and filtering.",
        "valueSet" : "http://hl7.org/fhir/ValueSet/definition-topic"
      }
    },
    {
      "id" : "EventDefinition.author",
      "path" : "EventDefinition.author",
      "short" : "Who authored the content",
      "definition" : "An individiual or organization primarily involved in the creation and maintenance of the content.",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "ContactDetail"
      }],
      "mapping" : [{
        "identity" : "rim",
        "map" : ".participation[typeCode=AUT]"
      }]
    },
    {
      "id" : "EventDefinition.editor",
      "path" : "EventDefinition.editor",
      "short" : "Who edited the content",
      "definition" : "An individual or organization primarily responsible for internal coherence of the content.",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "ContactDetail"
      }]
    },
    {
      "id" : "EventDefinition.reviewer",
      "path" : "EventDefinition.reviewer",
      "short" : "Who reviewed the content",
      "definition" : "An individual or organization primarily responsible for review of some aspect of the content.",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "ContactDetail"
      }],
      "mapping" : [{
        "identity" : "rim",
        "map" : ".participation[typeCode=VRF] {not clear whether VRF best corresponds to reviewer or endorser}"
      }]
    },
    {
      "id" : "EventDefinition.endorser",
      "path" : "EventDefinition.endorser",
      "short" : "Who endorsed the content",
      "definition" : "An individual or organization responsible for officially endorsing the content for use in some setting.",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "ContactDetail"
      }],
      "mapping" : [{
        "identity" : "rim",
        "map" : ".participation[typeCode=VRF] {not clear whether VRF best corresponds to reviewer or endorser}"
      }]
    },
    {
      "id" : "EventDefinition.relatedArtifact",
      "path" : "EventDefinition.relatedArtifact",
      "short" : "Additional documentation, citations, etc.",
      "definition" : "Related resources such as additional documentation, justification, or bibliographic references.",
      "comment" : "Each related resource is either an attachment, or a reference to another resource, but not both.",
      "requirements" : "Modules must be able to provide enough information for consumers of the content (and/or interventions or results produced by the content) to be able to determine and understand the justification for and evidence in support of the content.",
      "min" : 0,
      "max" : "*",
      "type" : [{
        "code" : "RelatedArtifact"
      }]
    },
    {
      "id" : "EventDefinition.trigger",
      "path" : "EventDefinition.trigger",
      "short" : "\"when\" the event occurs (multiple = 'or')",
      "definition" : "The trigger element defines when the event occurs. If more than one trigger condition is specified, the event fires whenever any one of the trigger conditions is met.",
      "min" : 1,
      "max" : "*",
      "type" : [{
        "code" : "TriggerDefinition"
      }],
      "isSummary" : true
    }]
  }
}

Usage note: every effort has been made to ensure that the examples are correct and useful, but they are not a normative part of the specification.