http://hl7.org/fhir/StructureDefinition/questionnaire-constraint|4.0.1

description: An invariant that must be satisfied before responses to the questionnaire can be considered \"complete\".
derivation: constraint
name: constraint
type: Extension
elements:
  extension:
    short: Unique identifier
    index: 0
    slicing:
      slices:
        key:
          match: {}
          schema:
            short: Unique identifier
            _required: true
            index: 0
            extensions: {}
            elements:
              extension: {index: 1}
              url:
                pattern: {type: Uri, value: key}
                index: 2
              value:
                choices: []
                index: 4
            required: [value]
        requirements:
          match: {}
          schema:
            short: Why needed
            index: 5
            extensions: {}
            elements:
              extension: {index: 6}
              url:
                pattern: {type: Uri, value: requirements}
                index: 7
              value:
                choices: []
                index: 9
            required: [value]
        severity:
          match: {}
          schema:
            short: error|warning
            _required: true
            index: 10
            extensions: {}
            elements:
              extension: {index: 11}
              url:
                pattern: {type: Uri, value: severity}
                index: 12
              value:
                choices: []
                index: 14
            required: [value]
        expression:
          match: {}
          schema:
            short: Formal rule
            _required: true
            index: 15
            extensions: {}
            elements:
              extension: {index: 16}
              url:
                pattern: {type: Uri, value: expression}
                index: 17
              value:
                choices: []
                index: 19
            required: [value]
        human:
          match: {}
          schema:
            short: Human-readable rule
            _required: true
            index: 20
            extensions: {}
            elements:
              extension: {index: 21}
              url:
                pattern: {type: Uri, value: human}
                index: 22
              value:
                choices: []
                index: 24
            required: [value]
        location:
          match: {}
          schema:
            short: Relative path to elements
            array: true
            index: 25
            extensions: {}
            elements:
              extension: {index: 26}
              url:
                pattern: {type: Uri, value: location}
                index: 27
              value:
                choices: []
                index: 29
            required: [value]
  url:
    pattern: {type: Uri, value: 'http://hl7.org/fhir/StructureDefinition/questionnaire-constraint'}
    index: 30
  value:
    choices: []
    index: 32
extensions:
  key:
    url: null
    short: Unique identifier
    _required: true
    index: 0
    extensions: {}
    elements:
      extension: {index: 1}
      url:
        pattern: {type: Uri, value: key}
        index: 2
      value:
        choices: []
        index: 4
    required: [value]
  requirements:
    url: null
    short: Why needed
    index: 5
    extensions: {}
    elements:
      extension: {index: 6}
      url:
        pattern: {type: Uri, value: requirements}
        index: 7
      value:
        choices: []
        index: 9
    required: [value]
  severity:
    url: null
    short: error|warning
    _required: true
    index: 10
    extensions: {}
    elements:
      extension: {index: 11}
      url:
        pattern: {type: Uri, value: severity}
        index: 12
      value:
        choices: []
        index: 14
    required: [value]
  expression:
    url: null
    short: Formal rule
    _required: true
    index: 15
    extensions: {}
    elements:
      extension: {index: 16}
      url:
        pattern: {type: Uri, value: expression}
        index: 17
      value:
        choices: []
        index: 19
    required: [value]
  human:
    url: null
    short: Human-readable rule
    _required: true
    index: 20
    extensions: {}
    elements:
      extension: {index: 21}
      url:
        pattern: {type: Uri, value: human}
        index: 22
      value:
        choices: []
        index: 24
    required: [value]
  location:
    url: null
    short: Relative path to elements
    array: true
    index: 25
    extensions: {}
    elements:
      extension: {index: 26}
      url:
        pattern: {type: Uri, value: location}
        index: 27
      value:
        choices: []
        index: 29
    required: [value]
class: extension
kind: complex-type
url: http://hl7.org/fhir/StructureDefinition/questionnaire-constraint
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 4.0.1
required: [extension]