description: Points to a contained List resource that defines related items. package_name: servicewell.fhir.wof-portal derivation: constraint name: WofBaseListReference type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://canonical.fhir.link/servicewell/wof-connect/StructureDefinition/wof-connect-list-reference'} index: 1 value: short: Reference to contained List choices: [valueReference] index: 3 valueReference: type: Reference short: Reference to contained List choiceOf: value refers: ['http://hl7.org/fhir/StructureDefinition/List'] index: 4 value[x]: elements: reference: {index: 5} required: [reference] package_version: 1.0.0 extensions: {} class: extension kind: complex-type url: http://canonical.fhir.link/servicewell/wof-connect/StructureDefinition/wof-connect-list-reference base: http://hl7.org/fhir/StructureDefinition/Extension version: 1.0.0 required: [valueReference, value]