description: 'DEPRECATED: Use the `targetConstraint` extension instead. An invariant that must be satisfied before responses to the questionnaire can be considered \"complete\".'
package_name: hl7.fhir.uv.extensions.r4
derivation: constraint
name: QConstraint
type: Extension
elements:
  extension:
    type: Extension
    short: Unique identifier
    index: 0
    slicing:
      slices:
        key:
          match: {}
          schema:
            type: Extension
            short: Unique identifier
            _required: true
            index: 0
            extensions: {}
            elements:
              extension: {index: 1}
              url:
                type: uri
                pattern: {type: Uri, value: key}
                index: 2
              value:
                choices: [valueId]
                index: 4
              valueId: {type: id, choiceOf: value, index: 5}
            required: [value, valueId]
        requirements:
          match: {}
          schema:
            type: Extension
            short: Why needed
            index: 6
            extensions: {}
            elements:
              extension: {index: 7}
              url:
                type: uri
                pattern: {type: Uri, value: requirements}
                index: 8
              value:
                choices: [valueString]
                index: 10
              valueString: {type: string, choiceOf: value, index: 11}
            required: [valueString, value]
        severity:
          match: {}
          schema:
            type: Extension
            short: error|warning
            _required: true
            index: 12
            extensions: {}
            elements:
              extension: {index: 13}
              url:
                type: uri
                pattern: {type: Uri, value: severity}
                index: 14
              value:
                choices: [valueCode]
                index: 16
              valueCode: {type: code, choiceOf: value, index: 17}
            required: [valueCode, value]
        expression:
          match: {}
          schema:
            type: Extension
            short: Formal rule
            _required: true
            index: 18
            extensions: {}
            elements:
              extension: {index: 19}
              url:
                type: uri
                pattern: {type: Uri, value: expression}
                index: 20
              value:
                choices: [valueString]
                index: 22
              valueString: {type: string, choiceOf: value, index: 23}
            required: [valueString, value]
        human:
          match: {}
          schema:
            type: Extension
            short: Human-readable rule
            _required: true
            index: 24
            extensions: {}
            elements:
              extension: {index: 25}
              url:
                type: uri
                pattern: {type: Uri, value: human}
                index: 26
              value:
                choices: [valueString]
                index: 28
              valueString: {type: string, choiceOf: value, index: 29}
            required: [valueString, value]
        location:
          match: {}
          schema:
            type: Extension
            short: Relative path to elements
            array: true
            index: 30
            extensions: {}
            elements:
              extension: {index: 31}
              url:
                type: uri
                pattern: {type: Uri, value: location}
                index: 32
              value:
                choices: [valueString]
                index: 34
              valueString: {type: string, choiceOf: value, index: 35}
            required: [valueString, value]
  url:
    pattern: {type: Uri, value: 'http://hl7.org/fhir/StructureDefinition/questionnaire-constraint'}
    index: 36
  value:
    choices: []
    index: 38
package_version: 5.2.0-ballot
extensions:
  key:
    url: null
    type: Extension
    short: Unique identifier
    _required: true
    index: 0
    extensions: {}
    elements:
      extension: {index: 1}
      url:
        type: uri
        pattern: {type: Uri, value: key}
        index: 2
      value:
        choices: [valueId]
        index: 4
      valueId: {type: id, choiceOf: value, index: 5}
    required: [value, valueId]
  requirements:
    url: null
    type: Extension
    short: Why needed
    index: 6
    extensions: {}
    elements:
      extension: {index: 7}
      url:
        type: uri
        pattern: {type: Uri, value: requirements}
        index: 8
      value:
        choices: [valueString]
        index: 10
      valueString: {type: string, choiceOf: value, index: 11}
    required: [valueString, value]
  severity:
    url: null
    type: Extension
    short: error|warning
    _required: true
    index: 12
    extensions: {}
    elements:
      extension: {index: 13}
      url:
        type: uri
        pattern: {type: Uri, value: severity}
        index: 14
      value:
        choices: [valueCode]
        index: 16
      valueCode: {type: code, choiceOf: value, index: 17}
    required: [valueCode, value]
  expression:
    url: null
    type: Extension
    short: Formal rule
    _required: true
    index: 18
    extensions: {}
    elements:
      extension: {index: 19}
      url:
        type: uri
        pattern: {type: Uri, value: expression}
        index: 20
      value:
        choices: [valueString]
        index: 22
      valueString: {type: string, choiceOf: value, index: 23}
    required: [valueString, value]
  human:
    url: null
    type: Extension
    short: Human-readable rule
    _required: true
    index: 24
    extensions: {}
    elements:
      extension: {index: 25}
      url:
        type: uri
        pattern: {type: Uri, value: human}
        index: 26
      value:
        choices: [valueString]
        index: 28
      valueString: {type: string, choiceOf: value, index: 29}
    required: [valueString, value]
  location:
    url: null
    type: Extension
    short: Relative path to elements
    array: true
    index: 30
    extensions: {}
    elements:
      extension: {index: 31}
      url:
        type: uri
        pattern: {type: Uri, value: location}
        index: 32
      value:
        choices: [valueString]
        index: 34
      valueString: {type: string, choiceOf: value, index: 35}
    required: [valueString, value]
class: extension
kind: complex-type
url: http://hl7.org/fhir/StructureDefinition/questionnaire-constraint
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 5.2.0-ballot
required: [extension]