description: This cross-version extension represents Communication.payload.content[x] from http://hl7.org/fhir/StructureDefinition/Communication|4.3.0 for use in FHIR R5.
package_name: hl7.fhir.uv.xver-r4b.r5
derivation: constraint
name: ext_R4B_Communication_pa_content
type: Extension
elements:
  value:
    base: {path: 'Extension.value[x]'}
    short: Message part content
    choices: [valueString, valueAttachment, valueReference]
    index: 1
  valueString:
    base: {path: 'Extension.value[x]'}
    type: string
    short: Message part content
    choiceOf: value
    index: 2
  valueAttachment:
    base: {path: 'Extension.value[x]'}
    type: Attachment
    short: Message part content
    choiceOf: value
    index: 3
  valueReference:
    short: Message part content
    refers: ['http://hl7.org/fhir/StructureDefinition/Resource']
    type: Reference
    base: {path: 'Extension.value[x]'}
    choiceOf: value
    index: 4
  url:
    pattern: {type: uri, value: 'http://hl7.org/fhir/4.3/StructureDefinition/extension-Communication.payload.content'}
    type: uri
    index: 5
package_version: 0.0.1-snapshot-1
class: extension
kind: complex-type
url: http://hl7.org/fhir/4.3/StructureDefinition/extension-Communication.payload.content
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 0.0.1-snapshot-1
required: [url]