description: This cross-version extension represents Conformance.rest.operation.modifierExtension from http://hl7.org/fhir/StructureDefinition/Conformance|1.0.2 for use in FHIR R5. package_name: hl7.fhir.uv.xver-r2.r5 derivation: constraint name: ext_R2_Conformance_re_op_modifierExtension type: Extension elements: url: pattern: {type: Uri, value: 'http://hl7.org/fhir/1.0/StructureDefinition/extension-Conformance.rest.operation.modifierExtension'} index: 0 package_version: 0.0.1-snapshot-1 class: extension kind: complex-type url: http://hl7.org/fhir/1.0/StructureDefinition/extension-Conformance.rest.operation.modifierExtension base: http://hl7.org/fhir/StructureDefinition/Extension version: 0.0.1-snapshot-1 required: [url]