description: This cross-version extension represents ProcessRequest.created from http://hl7.org/fhir/StructureDefinition/ProcessRequest|3.0.2 for use in FHIR R4. package_name: hl7.fhir.uv.xver derivation: constraint name: Ext_R3_ProcessRequest_created type: Extension elements: url: base: {max: '1', min: 1, path: Extension.url} pattern: {type: Uri, value: 'http://hl7.org/fhir/3.0/StructureDefinition/extension-ProcessRequest.created'} index: 0 value: base: {max: '1', min: 0, path: 'Extension.value[x]'} short: Creation date choices: [valueDateTime] index: 2 valueDateTime: base: {max: '1', min: 0, path: 'Extension.value[x]'} type: dateTime short: Creation date choiceOf: value index: 3 package_version: r3.r4-0.0.1-snapshot-2 class: extension kind: complex-type url: http://hl7.org/fhir/3.0/StructureDefinition/extension-ProcessRequest.created base: http://hl7.org/fhir/StructureDefinition/Extension|4.0.1 version: 0.0.1-snapshot-2 required: [url]