Cross-Version Extension for SubscriptionTopic.purpose in R4B

Context of Use

This extension may be used in the following contexts:

• element Basic (For version R4)
• element Basic (For version R3)
• element Basic (For version R2)

Name	Flags	Card.	Type	Description & Constraints
Extension		0..1	Extension	Why this SubscriptionTopic is defined
extension		..0
value[x]		1..	markdown
url				"http://hl7.org/fhir/4.3/StructureDefinition/extension-SubscriptionTopic.purpose"
Documentation for this format

{
  "resourceType" : "StructureDefinition",
  "id" : "xv-r4b-scrt.purpose",
  "url" : "http://hl7.org/fhir/4.3/StructureDefinition/extension-SubscriptionTopic.purpose",
  "name" : "XVerExtensionSubscriptionTopic.purposeR4B",
  "title" : "Cross-Version Extension for SubscriptionTopic.purpose in R4B",
  "status" : "active",
  "experimental" : false,
  "publisher" : "Health Level Seven International (FHIR Infrastructure)",
  "contact" : [{
    "telecom" : [{
      "system" : "url",
      "value" : "http://hl7.org/fhir"
    }]
  },
  {
    "telecom" : [{
      "system" : "url",
      "value" : "http://www.hl7.org/Special/committees/fiwg/index.cfm"
    }]
  }],
  "description" : "Cross-Version Extension for SubscriptionTopic.purpose. Valid in versions R2, R3, R4\r\n\r\nThis is a valid cross-version extension because it's counted as a new element",
  "jurisdiction" : [{
    "coding" : [{
      "system" : "http://unstats.un.org/unsd/methods/m49/m49.htm",
      "code" : "001"
    }]
  }],
  "fhirVersion" : "5.0.0",
  "kind" : "complex-type",
  "abstract" : false,
  "context" : [{
    "extension" : [{
      "extension" : [{
        "url" : "startFhirVersion",
        "valueCode" : "4.0"
      },
      {
        "url" : "endFhirVersion",
        "valueCode" : "4.0"
      }],
      "url" : "http://hl7.org/fhir/StructureDefinition/version-specific-use"
    }],
    "type" : "element",
    "expression" : "Basic"
  },
  {
    "extension" : [{
      "extension" : [{
        "url" : "startFhirVersion",
        "valueCode" : "3.0"
      },
      {
        "url" : "endFhirVersion",
        "valueCode" : "3.0"
      }],
      "url" : "http://hl7.org/fhir/StructureDefinition/version-specific-use"
    }],
    "type" : "element",
    "expression" : "Basic"
  },
  {
    "extension" : [{
      "extension" : [{
        "url" : "startFhirVersion",
        "valueCode" : "1.0"
      },
      {
        "url" : "endFhirVersion",
        "valueCode" : "1.0"
      }],
      "url" : "http://hl7.org/fhir/StructureDefinition/version-specific-use"
    }],
    "type" : "element",
    "expression" : "Basic"
  }],
  "type" : "Extension",
  "baseDefinition" : "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation" : "constraint",
  "differential" : {
    "element" : [{
      "path" : "Extension",
      "short" : "Why this SubscriptionTopic is defined",
      "definition" : "Explains why this Topic is needed and why it has been designed as it has.",
      "comment" : "This element does not describe the usage of the Topic.  Rather it is for 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 Topic.",
      "min" : 0,
      "max" : "1",
      "isModifier" : false,
      "mapping" : [{
        "identity" : "workflow",
        "map" : "Definition.purpose"
      },
      {
        "identity" : "w5",
        "map" : "FiveWs.why[x]"
      },
      {
        "identity" : "rim",
        "map" : ".reasonCode.text"
      }]
    },
    {
      "path" : "Extension.extension",
      "max" : "0"
    },
    {
      "path" : "Extension.value[x]",
      "min" : 1,
      "type" : [{
        "code" : "markdown"
      }]
    },
    {
      "path" : "Extension.url",
      "fixedUri" : "http://hl7.org/fhir/4.3/StructureDefinition/extension-SubscriptionTopic.purpose"
    }]
  }
}