description: This cross-version extension represents DocumentReference.context.related from http://hl7.org/fhir/StructureDefinition/DocumentReference|1.0.2 for use in FHIR R4.
package_name: hl7.fhir.uv.xver-r2.r4
derivation: constraint
name: Ext_R2_DocumentReference_co_related
type: Extension
elements:
  extension:
    base: {max: '*', min: 0, path: Extension.extension}
    array: true
    index: 0
    slicing:
      rules: closed
      ordered: false
      discriminator:
      - {path: url, type: value}
      min: 0
      slices:
        identifier:
          match: {url: identifier}
          schema:
            short: Identifier of related objects or events
            base: {max: '*', min: 0, path: Extension.extension}
            index: 1
            elements:
              url:
                base: {max: '1', min: 1, path: Extension.url}
                pattern: {type: Uri, value: identifier}
                index: 2
              value:
                base: {max: '1', min: 0, path: 'Extension.value[x]'}
                short: Identifier of related objects or events
                choices: [valueIdentifier]
                index: 4
              valueIdentifier:
                base: {max: '1', min: 0, path: 'Extension.value[x]'}
                type: Identifier
                short: Identifier of related objects or events
                choiceOf: value
                index: 5
            required: [url]
        ref:
          match: {url: ref}
          schema:
            short: Related Resource
            base: {max: '*', min: 0, path: Extension.extension}
            index: 6
            elements:
              url:
                base: {max: '1', min: 1, path: Extension.url}
                pattern: {type: Uri, value: ref}
                index: 7
              value:
                base: {max: '1', min: 0, path: 'Extension.value[x]'}
                short: Related Resource
                choices: [valueReference]
                index: 9
              valueReference:
                base: {max: '1', min: 0, path: 'Extension.value[x]'}
                type: Reference
                short: Related Resource
                choiceOf: value
                index: 10
            required: [url]
  url:
    base: {max: '1', min: 1, path: Extension.url}
    pattern: {type: Uri, value: 'http://hl7.org/fhir/1.0/StructureDefinition/extension-DocumentReference.context.related'}
    index: 11
package_version: 0.0.1-snapshot-2
extensions:
  identifier:
    url: identifier
    short: Identifier of related objects or events
    base: {max: '*', min: 0, path: Extension.extension}
    index: 1
    elements:
      url:
        base: {max: '1', min: 1, path: Extension.url}
        pattern: {type: Uri, value: identifier}
        index: 2
      value:
        base: {max: '1', min: 0, path: 'Extension.value[x]'}
        short: Identifier of related objects or events
        choices: [valueIdentifier]
        index: 4
      valueIdentifier:
        base: {max: '1', min: 0, path: 'Extension.value[x]'}
        type: Identifier
        short: Identifier of related objects or events
        choiceOf: value
        index: 5
    required: [url]
  ref:
    url: ref
    short: Related Resource
    base: {max: '*', min: 0, path: Extension.extension}
    index: 6
    elements:
      url:
        base: {max: '1', min: 1, path: Extension.url}
        pattern: {type: Uri, value: ref}
        index: 7
      value:
        base: {max: '1', min: 0, path: 'Extension.value[x]'}
        short: Related Resource
        choices: [valueReference]
        index: 9
      valueReference:
        base: {max: '1', min: 0, path: 'Extension.value[x]'}
        type: Reference
        short: Related Resource
        choiceOf: value
        index: 10
    required: [url]
class: extension
kind: complex-type
url: http://hl7.org/fhir/1.0/StructureDefinition/extension-DocumentReference.context.related
base: http://hl7.org/fhir/StructureDefinition/Extension|4.0.1
version: 0.0.1-snapshot-2
required: [url]