description: This cross-version extension represents SearchParameter.modifier from http://hl7.org/fhir/StructureDefinition/SearchParameter|4.0.1 for use in FHIR R5. package_name: hl7.fhir.uv.xver-r4.r5 derivation: constraint name: ext_R4_SearchParameter_modifier type: Extension elements: value: base: {path: 'Extension.value[x]'} short: missing | exact | contains | not | text | in | not-in | below | above | type | identifier | ofType choices: [valueCode] index: 1 valueCode: base: {path: 'Extension.value[x]'} type: code short: missing | exact | contains | not | text | in | not-in | below | above | type | identifier | ofType choiceOf: value index: 2 url: pattern: {type: uri, value: 'http://hl7.org/fhir/4.0/StructureDefinition/extension-SearchParameter.modifier'} type: uri index: 3 package_version: 0.0.1-snapshot-1 class: extension kind: complex-type url: http://hl7.org/fhir/4.0/StructureDefinition/extension-SearchParameter.modifier base: http://hl7.org/fhir/StructureDefinition/Extension version: 0.0.1-snapshot-1 required: [url]