{
  "description": "R5: `ActorDefinition.versionAlgorithm[x]` (new:Coding, string)",
  "_filename": "StructureDefinition-ext-R5-ActorDefinition.versionAlgorithm.json",
  "package_name": "hl7.fhir.uv.xver-r5.r3",
  "date": "2026-03-17T21:02:03.8104715+00:00",
  "derivation": "constraint",
  "publisher": "FHIR Infrastructure",
  "fhirVersion": "3.0.2",
  "jurisdiction": [ {
    "coding": [ {
      "code": "001",
      "system": "http://unstats.un.org/unsd/methods/m49/m49.htm",
      "display": "World"
    } ]
  } ],
  "purpose": "This extension is part of the cross-version definitions generated to enable use of the\r\nelement `ActorDefinition.versionAlgorithm[x]` as defined in FHIR R5\r\nin FHIR STU3.\r\n\r\nThe source element is defined as:\r\n`ActorDefinition.versionAlgorithm[x]` 0..1 `Coding, string`\r\n\r\nAcross FHIR versions, the element set has been mapped as:\r\n* R5 `ActorDefinition.versionAlgorithm[x]` 0..1 `Coding, string`\r\n\r\nFollowing are the generation technical comments:\r\nElement `ActorDefinition.versionAlgorithm[x]` is not mapped to FHIR STU3, since FHIR R5 `ActorDefinition` is not mapped.\nElement `ActorDefinition.versionAlgorithm[x]` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).",
  "name": "ExtensionActorDefinition_VersionAlgorithm",
  "mapping": [ {
    "uri": "http://hl7.org/v3",
    "name": "RIM Mapping",
    "identity": "rim"
  } ],
  "abstract": false,
  "type": "Extension",
  "experimental": "false",
  "resourceType": "StructureDefinition",
  "title": "R5: How to compare versions (new)",
  "package_version": "0.1.0",
  "extension": [ {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode": "fhir"
  }, {
    "url": "http://hl7.org/fhir/StructureDefinition/package-source",
    "extension": [ {
      "url": "packageId",
      "valueId": "hl7.fhir.uv.xver-r5.r3"
    }, {
      "url": "version",
      "valueString": "0.1.0"
    }, {
      "url": "uri",
      "valueUri": "http://hl7.org/fhir/uv/xver/ImplementationGuide/hl7.fhir.uv.xver-r5.r3"
    } ]
  }, {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
    "valueInteger": 0,
    "_valueInteger": {
      "extension": [ {
        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
        "valueUri": "http://hl7.org/fhir/uv/xver/ImplementationGuide/hl7.fhir.uv.xver-r5.r3"
      } ]
    }
  }, {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
    "valueCode": "trial-use",
    "_valueCode": {
      "extension": [ {
        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
        "valueUri": "http://hl7.org/fhir/uv/xver/ImplementationGuide/hl7.fhir.uv.xver-r5.r3"
      } ]
    }
  } ],
  "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": "R5: `ActorDefinition.versionAlgorithm[x]` (new:Coding, string)",
      "isModifier": false,
      "short": "R5: How to compare versions (new)",
      "max": "1",
      "id": "Extension",
      "condition": [ "ele-1" ],
      "comment": "Element `ActorDefinition.versionAlgorithm[x]` is not mapped to FHIR STU3, since FHIR R5 `ActorDefinition` is not mapped.\nElement `ActorDefinition.versionAlgorithm[x]` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).\nIf set as a string, this is a FHIRPath expression that has two additional context variables passed in - %version1 and %version2 and will return a negative number if version1 is newer, a positive number if version2 and a 0 if the version ordering can't be successfully be determined.",
      "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": "May be used to represent additional information that is not part of the basic definition of the element. In order 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.",
      "short": "Additional Content defined by implementations",
      "mapping": [ {
        "map": "n/a",
        "identity": "rim"
      } ],
      "slicing": {
        "rules": "open",
        "description": "Extensions are always sliced by (at least) url",
        "discriminator": [ {
          "path": "url",
          "type": "value"
        } ]
      },
      "type": [ {
        "code": "Extension"
      } ],
      "alias": [ "extensions", "user content" ],
      "max": "*",
      "id": "Extension.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.",
      "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/5.0/StructureDefinition/extension-ActorDefinition.versionAlgorithm",
      "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": "Indicates the mechanism used to compare versions to determine which is more current.",
      "short": "How to compare versions",
      "mapping": [ {
        "map": "N/A",
        "identity": "rim"
      } ],
      "type": [ {
        "code": "string"
      }, {
        "code": "Coding"
      } ],
      "binding": {
        "strength": "extensible",
        "valueSetUri": "http://hl7.org/fhir/uv/xver/ValueSet/R5-version-algorithm-for-R3|0.1.0"
      },
      "max": "1",
      "id": "Extension.value[x]",
      "comment": "If set as a string, this is a FHIRPath expression that has two additional context variables passed in - %version1 and %version2 and will return a negative number if version1 is newer, a positive number if version2 and a 0 if the version ordering can't be successfully be determined.",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Extension.value[x]"
      }
    } ]
  },
  "status": "active",
  "id": "47e95a06-7ad3-46b9-af7e-776dcc0a18ae",
  "kind": "complex-type",
  "url": "http://hl7.org/fhir/5.0/StructureDefinition/extension-ActorDefinition.versionAlgorithm",
  "context": [ "Basic" ],
  "version": "0.1.0",
  "differential": {
    "element": [ {
      "path": "Extension",
      "min": 0,
      "definition": "R5: `ActorDefinition.versionAlgorithm[x]` (new:Coding, string)",
      "isModifier": false,
      "short": "R5: How to compare versions (new)",
      "max": "1",
      "id": "Extension",
      "comment": "Element `ActorDefinition.versionAlgorithm[x]` is not mapped to FHIR STU3, since FHIR R5 `ActorDefinition` is not mapped.\nElement `ActorDefinition.versionAlgorithm[x]` has no mapping targets in FHIR STU3. Typically, this is because the element has been added (is a new element).\nIf set as a string, this is a FHIRPath expression that has two additional context variables passed in - %version1 and %version2 and will return a negative number if version1 is newer, a positive number if version2 and a 0 if the version ordering can't be successfully be determined.",
      "base": {
        "max": "*",
        "min": 0,
        "path": "Extension"
      }
    }, {
      "id": "Extension.url",
      "max": "1",
      "min": 1,
      "base": {
        "max": "1",
        "min": 1,
        "path": "Extension.url"
      },
      "path": "Extension.url",
      "fixedUri": "http://hl7.org/fhir/5.0/StructureDefinition/extension-ActorDefinition.versionAlgorithm"
    }, {
      "path": "Extension.value[x]",
      "min": 0,
      "definition": "Indicates the mechanism used to compare versions to determine which is more current.",
      "short": "How to compare versions",
      "type": [ {
        "code": "string"
      }, {
        "code": "Coding"
      } ],
      "binding": {
        "strength": "extensible",
        "valueSetUri": "http://hl7.org/fhir/uv/xver/ValueSet/R5-version-algorithm-for-R3|0.1.0"
      },
      "max": "1",
      "id": "Extension.value[x]",
      "comment": "If set as a string, this is a FHIRPath expression that has two additional context variables passed in - %version1 and %version2 and will return a negative number if version1 is newer, a positive number if version2 and a 0 if the version ordering can't be successfully be determined.",
      "base": {
        "max": "1",
        "min": 0,
        "path": "Extension.value[x]"
      }
    } ]
  },
  "contact": [ {
    "name": "FHIR Infrastructure",
    "telecom": [ {
      "value": "http://www.hl7.org/Special/committees/fiwg",
      "system": "url"
    } ]
  } ],
  "contextType": "resource",
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/Extension"
}