description: The actual format of the string, to allow for additional validation. This usually arises due to layered content models. The format is the name of another primitive type
package_name: hl7.fhir.uv.tools
derivation: constraint
name: StringFormat
type: Extension
elements:
  extension: {index: 0}
  url:
    pattern: {type: uri, value: 'http://hl7.org/fhir/tools/StructureDefinition/elementdefinition-string-format'}
    type: uri
    index: 1
  value:
    choices: [valueCode]
    index: 3
  valueCode: {type: code, choiceOf: value, index: 4}
package_version: 0.8.0
extensions: {}
class: extension
kind: complex-type
url: http://hl7.org/fhir/tools/StructureDefinition/elementdefinition-string-format
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 0.8.0
required: [value, valueCode]