description: References a location within a set of source text from which the discrete information described by this Resource/Element was extracted.
package_name: hl7.fhir.uv.extensions.r3
derivation: constraint
name: ResourceDerivationReference
type: Extension
elements:
  extension:
    short: Source reference.
    index: 0
    slicing:
      slices:
        reference:
          match: {}
          schema:
            short: Source reference.
            index: 0
            extensions: {}
            elements:
              extension: {index: 1}
              url:
                pattern: {type: Uri, value: reference}
                index: 2
              value:
                choices: [valueReference]
                index: 4
              valueReference: {type: Reference, choiceOf: value, index: 5}
            required: [valueReference, value]
        path:
          match: {}
          schema:
            short: Element containing text.
            index: 6
            extensions: {}
            elements:
              extension: {index: 7}
              url:
                pattern: {type: Uri, value: path}
                index: 8
              value:
                choices: [valueString]
                index: 10
              valueString: {type: string, choiceOf: value, index: 11}
            required: [valueString, value]
        offset:
          match: {}
          schema:
            short: Starting position.
            meaningWhenMissing: If not specified, the location at which derivation started is unknown.
            index: 12
            extensions: {}
            elements:
              extension: {index: 13}
              url:
                pattern: {type: Uri, value: offset}
                index: 14
              value:
                choices: [valueInteger]
                index: 16
              valueInteger: {type: integer, choiceOf: value, index: 17}
            required: [value, valueInteger]
        length:
          match: {}
          schema:
            short: Number of characters.
            meaningWhenMissing: If not specified, the location at which derivation ended is unknown.
            index: 18
            extensions: {}
            elements:
              extension: {index: 19}
              url:
                pattern: {type: Uri, value: length}
                index: 20
              value:
                choices: [valueInteger]
                index: 22
              valueInteger: {type: integer, choiceOf: value, index: 23}
            required: [value, valueInteger]
  url:
    pattern: {type: Uri, value: 'http://hl7.org/fhir/StructureDefinition/derivation-reference'}
    index: 24
  value:
    choices: []
    index: 26
package_version: 5.3.0-ballot
extensions:
  reference:
    url: null
    short: Source reference.
    index: 0
    extensions: {}
    elements:
      extension: {index: 1}
      url:
        pattern: {type: Uri, value: reference}
        index: 2
      value:
        choices: [valueReference]
        index: 4
      valueReference: {type: Reference, choiceOf: value, index: 5}
    required: [valueReference, value]
  path:
    url: null
    short: Element containing text.
    index: 6
    extensions: {}
    elements:
      extension: {index: 7}
      url:
        pattern: {type: Uri, value: path}
        index: 8
      value:
        choices: [valueString]
        index: 10
      valueString: {type: string, choiceOf: value, index: 11}
    required: [valueString, value]
  offset:
    url: null
    short: Starting position.
    meaningWhenMissing: If not specified, the location at which derivation started is unknown.
    index: 12
    extensions: {}
    elements:
      extension: {index: 13}
      url:
        pattern: {type: Uri, value: offset}
        index: 14
      value:
        choices: [valueInteger]
        index: 16
      valueInteger: {type: integer, choiceOf: value, index: 17}
    required: [value, valueInteger]
  length:
    url: null
    short: Number of characters.
    meaningWhenMissing: If not specified, the location at which derivation ended is unknown.
    index: 18
    extensions: {}
    elements:
      extension: {index: 19}
      url:
        pattern: {type: Uri, value: length}
        index: 20
      value:
        choices: [valueInteger]
        index: 22
      valueInteger: {type: integer, choiceOf: value, index: 23}
    required: [value, valueInteger]
class: extension
kind: complex-type
url: http://hl7.org/fhir/StructureDefinition/derivation-reference
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 5.3.0-ballot