http://hl7.org/fhir/StructureDefinition/elementdefinition-pattern|5.2.0

description: A pattern that all the target resources follow - that is, a pattern that they all declare their relationship to.
derivation: constraint
name: Pattern
type: Extension
elements:
  extension: {index: 0}
  url:
    pattern: {type: Uri, value: 'http://hl7.org/fhir/StructureDefinition/elementdefinition-pattern'}
    index: 1
  value:
    choices: []
    index: 3
extensions: {}
class: extension
kind: complex-type
url: http://hl7.org/fhir/StructureDefinition/elementdefinition-pattern
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 5.2.0
required: [value]