Cross-Version Extension for MessageDefinition.description in R3

Context of Use

This extension may be used in the following contexts:

• element Basic (For version R2)

Name	Flags	Card.	Type	Description & Constraints
Extension		0..1	Extension	Natural language description of the message definition
extension		..0
value[x]		1..	markdown
url				"http://hl7.org/fhir/3.0/StructureDefinition/extension-MessageDefinition.description"
Documentation for this format

{
  "resourceType" : "StructureDefinition",
  "id" : "xv-r3-msd.description",
  "url" : "http://hl7.org/fhir/3.0/StructureDefinition/extension-MessageDefinition.description",
  "name" : "XVerExtensionMessageDefinition.descriptionR3",
  "title" : "Cross-Version Extension for MessageDefinition.description in R3",
  "status" : "active",
  "experimental" : false,
  "publisher" : "Health Level Seven International (Infrastructure And Messaging)",
  "contact" : [{
    "telecom" : [{
      "system" : "url",
      "value" : "http://hl7.org/fhir"
    }]
  },
  {
    "telecom" : [{
      "system" : "url",
      "value" : "http://www.hl7.org/special/committees/inm/index.cfm"
    }]
  }],
  "description" : "Cross-Version Extension for MessageDefinition.description. Valid in versions R2\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" : "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" : "Natural language description of the message definition",
      "definition" : "A free text natural language description of the message definition from a consumer's perspective.",
      "comment" : "This description can be used to capture details such as why the message definition was built, comments about misuse, instructions for clinical use and interpretation, literature references, examples from the paper world, etc. It is not a rendering of the message definition as conveyed in the 'text' field of the resource itself. This item SHOULD be populated unless the information is available from context (e.g. the language of the profile is presumed to be the predominant language in the place the profile was created).",
      "min" : 0,
      "max" : "1",
      "isModifier" : false
    },
    {
      "path" : "Extension.extension",
      "max" : "0"
    },
    {
      "path" : "Extension.value[x]",
      "min" : 1,
      "type" : [{
        "code" : "markdown"
      }]
    },
    {
      "path" : "Extension.url",
      "fixedUri" : "http://hl7.org/fhir/3.0/StructureDefinition/extension-MessageDefinition.description"
    }]
  }
}