{
"description": "If true indicates that the specified type, profile or targetProfile must be supported by implementations.",
"_filename": "StructureDefinition-elementdefinition-type-must-support.json",
"package_name": "hl7.fhir.uv.extensions.r3",
"date": "2015-02-28",
"derivation": "constraint",
"publisher": "HL7 International / FHIR Infrastructure",
"fhirVersion": "3.0.2",
"jurisdiction": [ {
"coding": [ {
"code": "001",
"system": "http://unstats.un.org/unsd/methods/m49/m49.htm"
} ]
} ],
"name": "TypeMustSupport",
"mapping": [ {
"uri": "http://hl7.org/v3",
"name": "RIM Mapping",
"identity": "rim"
} ],
"abstract": false,
"type": "Extension",
"experimental": "false",
"resourceType": "StructureDefinition",
"title": "Type must support",
"package_version": "5.3.0-ballot-tc",
"extension": [ {
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
"valueCode": "fhir"
}, {
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
"valueInteger": 2
}, {
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
"valueCode": "trial-use"
}, {
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-type-characteristics",
"valueCode": "can-bind"
} ],
"snapshot": {
"element": [ {
"constraint": [ {
"key": "ele-1",
"human": "All FHIR elements must have a @value or children",
"xpath": "@value|f:*|h:div",
"source": "http://hl7.org/fhir/StructureDefinition/Element",
"severity": "error",
"expression": "hasValue() | (children().count() > id.count())"
}, {
"key": "ext-1",
"human": "Must have either extensions or value[x], not both",
"xpath": "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])",
"source": "http://hl7.org/fhir/StructureDefinition/Extension",
"severity": "error",
"expression": "extension.exists() != value.exists()"
} ],
"path": "Extension",
"min": 0,
"definition": "If true indicates that the specified type, profile or targetProfile must be supported by implementations.",
"short": "If true, the specified type/profile/target must be supported by implementations",
"max": "1",
"id": "Extension",
"condition": [ "ele-1" ],
"comment": "An element may be labelled as must support. This extension clarifies which types/profiles/targetProfiles are must-support. It has no meaning if the element itself is not must-support. If the element is labelled must-support, and none of the options are labelled as must support, then an application must support at least one of the possible options, but is not required to support all of them. Specific details on what it means to 'support' the specified profile will be defined either by the implementation guide, by the profile and/or in usage notes for the element holding the extension. If this extension is not declared on a mustSupport element, the presumption is that implementations need only support one of the potential types unless other documentation in the specification explicitly dictates otherwise.",
"base": {
"max": "*",
"min": 0,
"path": "Extension"
}
}, {
"path": "Extension.id",
"min": 0,
"definition": "unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
"short": "xml:id (or equivalent in JSON)",
"mapping": [ {
"map": "n/a",
"identity": "rim"
} ],
"type": [ {
"code": "string"
} ],
"representation": [ "xmlAttr" ],
"max": "1",
"id": "Extension.id",
"base": {
"max": "1",
"min": 0,
"path": "Element.id"
}
}, {
"path": "Extension.extension",
"min": 0,
"definition": "An Extension",
"short": "Extension",
"slicing": {
"rules": "open",
"description": "Extensions are always sliced by (at least) url",
"discriminator": [ {
"path": "url",
"type": "value"
} ]
},
"type": [ {
"code": "Extension"
} ],
"max": "0",
"id": "Extension.extension",
"base": {
"max": "*",
"min": 0,
"path": "Element.extension"
}
}, {
"path": "Extension.url",
"min": 1,
"definition": "Source of the definition for the extension code - a logical name or a URL.",
"short": "identifies the meaning of the extension",
"fixedUri": "http://hl7.org/fhir/StructureDefinition/elementdefinition-type-must-support",
"mapping": [ {
"map": "N/A",
"identity": "rim"
} ],
"type": [ {
"code": "uri"
} ],
"representation": [ "xmlAttr" ],
"max": "1",
"id": "Extension.url",
"comment": "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension.",
"base": {
"max": "1",
"min": 1,
"path": "Extension.url"
}
}, {
"path": "Extension.value[x]",
"min": 1,
"definition": "Value of extension - may be a resource or one of a constrained set of the data types (see Extensibility in the spec for list).",
"short": "Value of extension",
"mapping": [ {
"map": "N/A",
"identity": "rim"
} ],
"type": [ {
"code": "boolean"
} ],
"max": "1",
"id": "Extension.value[x]",
"base": {
"max": "1",
"min": 0,
"path": "Extension.value[x]"
}
} ]
},
"status": "active",
"id": "317cf010-610c-4774-a74d-4b52f6d495cc",
"kind": "complex-type",
"url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-type-must-support",
"identifier": [ {
"value": "urn:oid:2.16.840.1.113883.4.642.5.1639",
"system": "urn:ietf:rfc:3986"
} ],
"context": [ "ElementDefinition.type", "ElementDefinition.type.profile", "ElementDefinition.type.targetProfile" ],
"version": "5.3.0-ballot-tc",
"differential": {
"element": [ {
"id": "Extension",
"max": "1",
"min": 0,
"path": "Extension",
"short": "If true, the specified type/profile/target must be supported by implementations",
"comment": "An element may be labelled as must support. This extension clarifies which types/profiles/targetProfiles are must-support. It has no meaning if the element itself is not must-support. If the element is labelled must-support, and none of the options are labelled as must support, then an application must support at least one of the possible options, but is not required to support all of them. Specific details on what it means to 'support' the specified profile will be defined either by the implementation guide, by the profile and/or in usage notes for the element holding the extension. If this extension is not declared on a mustSupport element, the presumption is that implementations need only support one of the potential types unless other documentation in the specification explicitly dictates otherwise.",
"definition": "If true indicates that the specified type, profile or targetProfile must be supported by implementations."
}, {
"id": "Extension.extension",
"max": "0",
"path": "Extension.extension"
}, {
"id": "Extension.url",
"path": "Extension.url",
"fixedUri": "http://hl7.org/fhir/StructureDefinition/elementdefinition-type-must-support"
}, {
"id": "Extension.value[x]",
"min": 1,
"path": "Extension.value[x]",
"type": [ {
"code": "boolean"
} ]
} ]
},
"contact": [ {
"telecom": [ {
"value": "http://www.hl7.org/Special/committees/fiwg",
"system": "url"
} ]
} ],
"contextType": "datatype",
"baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension"
}