{"abstract":false,"baseDefinition":"http://hl7.org/fhir/StructureDefinition/Extension","context":[{"expression":"ValueSet","type":"element"}],"date":"2021-01-17T07:06:13+11:00","derivation":"constraint","description":"A reference to the authoritative accessible, persisted source of truth of the entire Value Set Definition, including textual information and available versions.","differential":{"element":[{"comment":"If this extension is not present, then the canonical URL (ValueSet.url) also serves the purpose of specifying the authoritative source.  A difference between the canonical URL and the authoritiative source might arise in some cases due to ongoing organization restructuring, etc., and in those cases this extension may be used.  The URL of the authoritative source is intended to be resolvable but that cannot be guaranteed. The designated \"authoritative source\" is normally expected to be able to generate a valid expansion of the value set, and if for some reason it cannot then the valueset-trusted-expansion should be used.","definition":"A reference to the authoritative accessible, persisted source of truth of the entire Value Set Definition, including textual information and available versions.","id":"Extension","isModifier":false,"max":"1","min":0,"path":"Extension","short":"Reference to the current trusted source of the ValueSet resource (metadata and definition)"},{"id":"Extension.extension","max":"0","path":"Extension.extension"},{"fixedUri":"http://hl7.org/fhir/StructureDefinition/valueset-authoritativeSource","id":"Extension.url","path":"Extension.url"},{"id":"Extension.value[x]","min":1,"path":"Extension.value[x]","type":[{"code":"uri"}]}]},"experimental":false,"extension":[{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-wg","valueCode":"vocab"},{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm","valueInteger":1}],"fhirVersion":"4.3.0","id":"valueset-authoritativeSource","kind":"complex-type","mapping":[{"identity":"rim","name":"RIM Mapping","uri":"http://hl7.org/v3"}],"name":"authoritativeSource","publisher":"HL7","resourceType":"StructureDefinition","snapshot":{"element":[{"base":{"max":"*","min":0,"path":"Extension"},"comment":"If this extension is not present, then the canonical URL (ValueSet.url) also serves the purpose of specifying the authoritative source.  A difference between the canonical URL and the authoritiative source might arise in some cases due to ongoing organization restructuring, etc., and in those cases this extension may be used.  The URL of the authoritative source is intended to be resolvable but that cannot be guaranteed. The designated \"authoritative source\" is normally expected to be able to generate a valid expansion of the value set, and if for some reason it cannot then the valueset-trusted-expansion should be used.","condition":["ele-1"],"constraint":[{"expression":"hasValue() or (children().count() > id.count()) or $this is Parameters","human":"All FHIR elements must have a @value or children unless an empty Parameters resource","key":"ele-1","severity":"error","source":"http://hl7.org/fhir/StructureDefinition/Element","xpath":"@value|f:*|h:div|self::f:Parameters"},{"expression":"extension.exists() != value.exists()","human":"Must have either extensions or value[x], not both","key":"ext-1","severity":"error","source":"http://hl7.org/fhir/StructureDefinition/Extension","xpath":"exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])"}],"definition":"A reference to the authoritative accessible, persisted source of truth of the entire Value Set Definition, including textual information and available versions.","id":"Extension","isModifier":false,"max":"1","min":0,"path":"Extension","short":"Reference to the current trusted source of the ValueSet resource (metadata and definition)"},{"base":{"max":"1","min":0,"path":"Element.id"},"definition":"Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.","id":"Extension.id","isModifier":false,"isSummary":false,"mapping":[{"identity":"rim","map":"n/a"}],"max":"1","min":0,"path":"Extension.id","representation":["xmlAttr"],"short":"Unique id for inter-element referencing","type":[{"code":"http://hl7.org/fhirpath/System.String","extension":[{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type","valueUrl":"id"}]}]},{"base":{"max":"*","min":0,"path":"Element.extension"},"constraint":[{"expression":"hasValue() or (children().count() > id.count())","human":"All FHIR elements must have a @value or children","key":"ele-1","severity":"error","source":"http://hl7.org/fhir/StructureDefinition/Element","xpath":"@value|f:*|h:div"},{"expression":"extension.exists() != value.exists()","human":"Must have either extensions or value[x], not both","key":"ext-1","severity":"error","source":"http://hl7.org/fhir/StructureDefinition/Extension","xpath":"exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])"}],"definition":"An Extension","id":"Extension.extension","isModifier":false,"isSummary":false,"max":"0","min":0,"path":"Extension.extension","short":"Extension","slicing":{"description":"Extensions are always sliced by (at least) url","discriminator":[{"path":"url","type":"value"}],"rules":"open"},"type":[{"code":"Extension"}]},{"base":{"max":"1","min":1,"path":"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.","definition":"Source of the definition for the extension code - a logical name or a URL.","fixedUri":"http://hl7.org/fhir/StructureDefinition/valueset-authoritativeSource","id":"Extension.url","isModifier":false,"isSummary":false,"mapping":[{"identity":"rim","map":"N/A"}],"max":"1","min":1,"path":"Extension.url","representation":["xmlAttr"],"short":"identifies the meaning of the extension","type":[{"code":"http://hl7.org/fhirpath/System.String","extension":[{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type","valueUrl":"uri"}]}]},{"base":{"max":"1","min":0,"path":"Extension.value[x]"},"constraint":[{"expression":"hasValue() or (children().count() > id.count())","human":"All FHIR elements must have a @value or children","key":"ele-1","severity":"error","source":"http://hl7.org/fhir/StructureDefinition/Element","xpath":"@value|f:*|h:div"}],"definition":"Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).","id":"Extension.value[x]","isModifier":false,"isSummary":false,"mapping":[{"identity":"rim","map":"N/A"}],"max":"1","min":1,"path":"Extension.value[x]","short":"Value of extension","type":[{"code":"uri"}]}]},"status":"draft","type":"Extension","url":"http://hl7.org/fhir/StructureDefinition/valueset-authoritativeSource","version":"4.3.0"}