{
"description": "An expression that provides an alternative definition of the content of the value set (compose). There are two different ways to use this expression extension: If both an expression (this extension) and a compose element is present, the compose is understood to make the same statement as the expression. If there is no compose, the expression is the only definition of the value set and the ValueSet definition (compose) can only be evaluated by a system that understands the syntax used in the expression.",
"_filename": "StructureDefinition-valueset-expression.json",
"package_name": "hl7.fhir.uv.extensions.r3",
"date": "2020-12-28T16:55:11+11:00",
"derivation": "constraint",
"publisher": "HL7 International / Terminology Infrastructure",
"fhirVersion": "3.0.2",
"jurisdiction": [ {
"coding": [ {
"code": "001",
"system": "http://unstats.un.org/unsd/methods/m49/m49.htm"
} ]
} ],
"name": "VSExpression",
"mapping": [ {
"uri": "http://hl7.org/v3",
"name": "RIM Mapping",
"identity": "rim"
} ],
"abstract": false,
"type": "Extension",
"experimental": "false",
"resourceType": "StructureDefinition",
"title": "ValueSet Expression",
"package_version": "5.3.0-ballot-tc1",
"extension": [ {
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
"valueCode": "vocab"
}, {
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
"valueCode": "2"
}, {
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
"valueCode": "draft"
}, {
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-type-characteristics",
"valueCode": "can-bind"
}, {
"url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status-reason",
"valueCode": "Extensions that have been modified for R3 are still draft while real-world experience is collected"
} ],
"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": "An expression that provides an alternative definition of the content of the value set (compose). There are two different ways to use this expression extension: If both an expression (this extension) and a compose element is present, the compose is understood to the make the same statement as the expression. If there is no compose, the expression is the only definition of the value set, and the value set can only be processed by a server that understands the expression syntax, the expression is computable.",
"short": "An alternative computable expression of the value set content",
"max": "1",
"id": "Extension",
"condition": [ "ele-1" ],
"comment": "The expression may be a reference or the actual expression, and is expected to be in a computable format. Use the [rules-text extension](StructureDefinition-valueset-rules-text.html) for a non-computable expression of the value set definition (compose).",
"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",
"ordered": false,
"description": "Extensions are always sliced by (at least) url",
"discriminator": [ {
"path": "url",
"type": "value"
} ]
},
"type": [ {
"code": "Extension"
} ],
"max": "*",
"id": "Extension.extension",
"base": {
"max": "*",
"min": 0,
"path": "Element.extension"
}
}, {
"path": "Extension.extension",
"min": 1,
"definition": "DataType name 'Expression' from R5",
"short": "DataType name 'Expression' from R5",
"type": [ {
"code": "Extension",
"profile": "http://hl7.org/fhir/StructureDefinition/_datatype"
} ],
"sliceName": "_datatype",
"max": "1",
"id": "Extension.extension:_datatype",
"base": {
"max": "*",
"min": 0,
"path": "Element.extension"
}
}, {
"path": "Extension.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.extension:_datatype.id",
"base": {
"max": "1",
"min": 0,
"path": "Element.id"
}
}, {
"path": "Extension.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:_datatype.extension",
"base": {
"max": "*",
"min": 0,
"path": "Element.extension"
}
}, {
"path": "Extension.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/_datatype",
"mapping": [ {
"map": "N/A",
"identity": "rim"
} ],
"type": [ {
"code": "uri"
} ],
"representation": [ "xmlAttr" ],
"max": "1",
"id": "Extension.extension:_datatype.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.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": "string"
} ],
"max": "1",
"fixedString": "Expression",
"id": "Extension.extension:_datatype.value[x]",
"base": {
"max": "1",
"min": 0,
"path": "Extension.value[x]"
}
}, {
"path": "Extension.extension",
"min": 0,
"definition": "A brief, natural language description of the condition that effectively communicates the intended semantics.",
"short": "Natural language description of the condition",
"type": [ {
"code": "Extension"
} ],
"sliceName": "description",
"max": "1",
"id": "Extension.extension:description",
"base": {
"max": "*",
"min": 0,
"path": "Element.extension"
}
}, {
"path": "Extension.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.extension:description.id",
"base": {
"max": "1",
"min": 0,
"path": "Element.id"
}
}, {
"path": "Extension.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:description.extension",
"base": {
"max": "*",
"min": 0,
"path": "Element.extension"
}
}, {
"path": "Extension.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": "description",
"mapping": [ {
"map": "N/A",
"identity": "rim"
} ],
"type": [ {
"code": "uri"
} ],
"representation": [ "xmlAttr" ],
"max": "1",
"id": "Extension.extension:description.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.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": "string"
} ],
"max": "1",
"id": "Extension.extension:description.value[x]",
"base": {
"max": "1",
"min": 0,
"path": "Extension.value[x]"
}
}, {
"path": "Extension.extension",
"min": 0,
"definition": "A short name assigned to the expression to allow for multiple reuse of the expression in the context where it is defined.",
"short": "Short name assigned to expression for reuse",
"type": [ {
"code": "Extension"
} ],
"sliceName": "name",
"max": "1",
"id": "Extension.extension:name",
"base": {
"max": "*",
"min": 0,
"path": "Element.extension"
}
}, {
"path": "Extension.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.extension:name.id",
"base": {
"max": "1",
"min": 0,
"path": "Element.id"
}
}, {
"path": "Extension.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:name.extension",
"base": {
"max": "*",
"min": 0,
"path": "Element.extension"
}
}, {
"path": "Extension.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": "name",
"mapping": [ {
"map": "N/A",
"identity": "rim"
} ],
"type": [ {
"code": "uri"
} ],
"representation": [ "xmlAttr" ],
"max": "1",
"id": "Extension.extension:name.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.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": "code"
} ],
"max": "1",
"id": "Extension.extension:name.value[x]",
"base": {
"max": "1",
"min": 0,
"path": "Extension.value[x]"
}
}, {
"path": "Extension.extension",
"min": 0,
"definition": "The media type of the language for the expression.",
"short": "text/cql | text/fhirpath | application/x-fhir-query | etc.",
"type": [ {
"code": "Extension"
} ],
"sliceName": "language",
"max": "1",
"id": "Extension.extension:language",
"base": {
"max": "*",
"min": 0,
"path": "Element.extension"
}
}, {
"path": "Extension.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.extension:language.id",
"base": {
"max": "1",
"min": 0,
"path": "Element.id"
}
}, {
"path": "Extension.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:language.extension",
"base": {
"max": "*",
"min": 0,
"path": "Element.extension"
}
}, {
"path": "Extension.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": "language",
"mapping": [ {
"map": "N/A",
"identity": "rim"
} ],
"type": [ {
"code": "uri"
} ],
"representation": [ "xmlAttr" ],
"max": "1",
"id": "Extension.extension:language.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.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": "code"
} ],
"binding": {
"strength": "extensible",
"extension": [ {
"url": "http://hl7.org/fhir/tools/StructureDefinition/binding-definition",
"valueMarkdown": "The media type of the expression language."
}, {
"url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
"valueString": "ExpressionLanguage"
}, {
"extension": [ {
"url": "purpose",
"valueCode": "maximum"
}, {
"url": "valueSet",
"valueUri": "http://hl7.org/fhir/ValueSet/mimetypes"
} ]
} ],
"description": "The media type of the expression language.",
"valueSetReference": {
"reference": "http://hl7.org/fhir/ValueSet/expression-language"
}
},
"max": "1",
"id": "Extension.extension:language.value[x]",
"base": {
"max": "1",
"min": 0,
"path": "Extension.value[x]"
}
}, {
"path": "Extension.extension",
"min": 0,
"definition": "An expression in the specified language that returns a value.",
"short": "Expression in specified language",
"type": [ {
"code": "Extension"
} ],
"sliceName": "expression",
"max": "1",
"id": "Extension.extension:expression",
"comment": "If Expression.expression and Expression.reference are both present, the Expression.expression might just be a name pointing something within the referenced content.",
"base": {
"max": "*",
"min": 0,
"path": "Element.extension"
}
}, {
"path": "Extension.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.extension:expression.id",
"base": {
"max": "1",
"min": 0,
"path": "Element.id"
}
}, {
"path": "Extension.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:expression.extension",
"base": {
"max": "*",
"min": 0,
"path": "Element.extension"
}
}, {
"path": "Extension.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": "expression",
"mapping": [ {
"map": "N/A",
"identity": "rim"
} ],
"type": [ {
"code": "uri"
} ],
"representation": [ "xmlAttr" ],
"max": "1",
"id": "Extension.extension:expression.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.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": "string"
} ],
"max": "1",
"id": "Extension.extension:expression.value[x]",
"base": {
"max": "1",
"min": 0,
"path": "Extension.value[x]"
}
}, {
"path": "Extension.extension",
"min": 0,
"definition": "A URI that defines where the expression is found.",
"short": "Where the expression is found",
"type": [ {
"code": "Extension"
} ],
"sliceName": "reference",
"max": "1",
"id": "Extension.extension:reference",
"comment": "If both a reference and an expression is found, the reference SHALL point to the same expression.",
"base": {
"max": "*",
"min": 0,
"path": "Element.extension"
}
}, {
"path": "Extension.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.extension:reference.id",
"base": {
"max": "1",
"min": 0,
"path": "Element.id"
}
}, {
"path": "Extension.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:reference.extension",
"base": {
"max": "*",
"min": 0,
"path": "Element.extension"
}
}, {
"path": "Extension.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": "reference",
"mapping": [ {
"map": "N/A",
"identity": "rim"
} ],
"type": [ {
"code": "uri"
} ],
"representation": [ "xmlAttr" ],
"max": "1",
"id": "Extension.extension:reference.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.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": "uri"
} ],
"max": "1",
"id": "Extension.extension:reference.value[x]",
"base": {
"max": "1",
"min": 0,
"path": "Extension.value[x]"
}
}, {
"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/valueset-expression",
"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": 0,
"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": "base64Binary"
}, {
"code": "boolean"
}, {
"code": "code"
}, {
"code": "date"
}, {
"code": "dateTime"
}, {
"code": "decimal"
}, {
"code": "id"
}, {
"code": "instant"
}, {
"code": "integer"
}, {
"code": "markdown"
}, {
"code": "oid"
}, {
"code": "positiveInt"
}, {
"code": "string"
}, {
"code": "time"
}, {
"code": "unsignedInt"
}, {
"code": "uri"
}, {
"code": "Address"
}, {
"code": "Age"
}, {
"code": "Annotation"
}, {
"code": "Attachment"
}, {
"code": "CodeableConcept"
}, {
"code": "Coding"
}, {
"code": "ContactPoint"
}, {
"code": "Count"
}, {
"code": "Distance"
}, {
"code": "Duration"
}, {
"code": "HumanName"
}, {
"code": "Identifier"
}, {
"code": "Money"
}, {
"code": "Period"
}, {
"code": "Quantity"
}, {
"code": "Range"
}, {
"code": "Ratio"
}, {
"code": "Reference"
}, {
"code": "SampledData"
}, {
"code": "Signature"
}, {
"code": "Timing"
}, {
"code": "Meta"
} ],
"max": "0",
"id": "Extension.value[x]",
"base": {
"max": "1",
"min": 0,
"path": "Extension.value[x]"
}
} ]
},
"status": "active",
"id": "108828b1-ef3c-4d48-b280-8cc0f3241b59",
"kind": "complex-type",
"url": "http://hl7.org/fhir/StructureDefinition/valueset-expression",
"identifier": [ {
"value": "urn:oid:2.16.840.1.113883.4.642.5.1211",
"system": "urn:ietf:rfc:3986"
} ],
"context": [ "ValueSet" ],
"version": "5.3.0-ballot-tc1",
"differential": {
"element": [ {
"id": "Extension",
"max": "1",
"min": 0,
"path": "Extension",
"short": "An alternative computable expression of the value set content",
"comment": "The expression may be a reference or the actual expression, and is expected to be in a computable format. Use the [rules-text extension](StructureDefinition-valueset-rules-text.html) for a non-computable expression of the value set definition (compose).",
"definition": "An expression that provides an alternative definition of the content of the value set (compose). There are two different ways to use this expression extension: If both an expression (this extension) and a compose element is present, the compose is understood to the make the same statement as the expression. If there is no compose, the expression is the only definition of the value set, and the value set can only be processed by a server that understands the expression syntax, the expression is computable."
}, {
"id": "Extension.extension",
"max": "*",
"path": "Extension.extension",
"slicing": {
"rules": "open",
"ordered": false,
"discriminator": [ {
"path": "url",
"type": "value"
} ]
}
}, {
"id": "Extension.extension:_datatype",
"max": "1",
"min": 1,
"path": "Extension.extension",
"type": [ {
"code": "Extension",
"profile": "http://hl7.org/fhir/StructureDefinition/_datatype"
} ],
"short": "DataType name 'Expression' from R5",
"sliceName": "_datatype",
"definition": "DataType name 'Expression' from R5"
}, {
"id": "Extension.extension:_datatype.value[x]",
"min": 1,
"path": "Extension.extension.value[x]",
"type": [ {
"code": "string"
} ],
"fixedString": "Expression"
}, {
"id": "Extension.extension:description",
"max": "1",
"min": 0,
"path": "Extension.extension",
"short": "Natural language description of the condition",
"sliceName": "description",
"definition": "A brief, natural language description of the condition that effectively communicates the intended semantics."
}, {
"id": "Extension.extension:description.extension",
"max": "0",
"path": "Extension.extension.extension"
}, {
"id": "Extension.extension:description.url",
"path": "Extension.extension.url",
"fixedUri": "description"
}, {
"id": "Extension.extension:description.value[x]",
"min": 1,
"path": "Extension.extension.value[x]",
"type": [ {
"code": "string"
} ]
}, {
"id": "Extension.extension:name",
"max": "1",
"min": 0,
"path": "Extension.extension",
"short": "Short name assigned to expression for reuse",
"sliceName": "name",
"definition": "A short name assigned to the expression to allow for multiple reuse of the expression in the context where it is defined."
}, {
"id": "Extension.extension:name.extension",
"max": "0",
"path": "Extension.extension.extension"
}, {
"id": "Extension.extension:name.url",
"path": "Extension.extension.url",
"fixedUri": "name"
}, {
"id": "Extension.extension:name.value[x]",
"min": 1,
"path": "Extension.extension.value[x]",
"type": [ {
"code": "code"
} ]
}, {
"id": "Extension.extension:language",
"max": "1",
"min": 0,
"path": "Extension.extension",
"short": "text/cql | text/fhirpath | application/x-fhir-query | etc.",
"sliceName": "language",
"definition": "The media type of the language for the expression."
}, {
"id": "Extension.extension:language.extension",
"max": "0",
"path": "Extension.extension.extension"
}, {
"id": "Extension.extension:language.url",
"path": "Extension.extension.url",
"fixedUri": "language"
}, {
"id": "Extension.extension:language.value[x]",
"min": 1,
"path": "Extension.extension.value[x]",
"type": [ {
"code": "code"
} ],
"binding": {
"strength": "extensible",
"extension": [ {
"url": "http://hl7.org/fhir/tools/StructureDefinition/binding-definition",
"valueMarkdown": "The media type of the expression language."
}, {
"url": "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName",
"valueString": "ExpressionLanguage"
}, {
"extension": [ {
"url": "purpose",
"valueCode": "maximum"
}, {
"url": "valueSet",
"valueUri": "http://hl7.org/fhir/ValueSet/mimetypes"
} ]
} ],
"description": "The media type of the expression language.",
"valueSetReference": {
"reference": "http://hl7.org/fhir/ValueSet/expression-language"
}
}
}, {
"id": "Extension.extension:expression",
"max": "1",
"min": 0,
"path": "Extension.extension",
"short": "Expression in specified language",
"comment": "If Expression.expression and Expression.reference are both present, the Expression.expression might just be a name pointing something within the referenced content.",
"sliceName": "expression",
"definition": "An expression in the specified language that returns a value."
}, {
"id": "Extension.extension:expression.extension",
"max": "0",
"path": "Extension.extension.extension"
}, {
"id": "Extension.extension:expression.url",
"path": "Extension.extension.url",
"fixedUri": "expression"
}, {
"id": "Extension.extension:expression.value[x]",
"min": 1,
"path": "Extension.extension.value[x]",
"type": [ {
"code": "string"
} ]
}, {
"id": "Extension.extension:reference",
"max": "1",
"min": 0,
"path": "Extension.extension",
"short": "Where the expression is found",
"comment": "If both a reference and an expression is found, the reference SHALL point to the same expression.",
"sliceName": "reference",
"definition": "A URI that defines where the expression is found."
}, {
"id": "Extension.extension:reference.extension",
"max": "0",
"path": "Extension.extension.extension"
}, {
"id": "Extension.extension:reference.url",
"path": "Extension.extension.url",
"fixedUri": "reference"
}, {
"id": "Extension.extension:reference.value[x]",
"min": 1,
"path": "Extension.extension.value[x]",
"type": [ {
"code": "uri"
} ]
}, {
"id": "Extension.url",
"path": "Extension.url",
"fixedUri": "http://hl7.org/fhir/StructureDefinition/valueset-expression"
}, {
"id": "Extension.value[x]",
"max": "0",
"min": 0,
"path": "Extension.value[x]"
} ]
},
"contact": [ {
"telecom": [ {
"value": "http://www.hl7.org/Special/committees/Vocab",
"system": "url"
} ]
} ],
"contextType": "resource",
"baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension"
}