description: Base StructureDefinition for DomainResource Resource package_name: hl7.fhir.r2b.examples derivation: specialization name: DomainResource abstract: true type: null elements: text: isModifier: false short: Text summary of the resource, for human interpretation index: 0 comments: Contained resources do not have narrative. Resources that are not contained SHOULD have a narrative. type: Narrative mustSupport: false maxLength: 0 base: {max: '1', min: 0, path: DomainResource.text} isSummary: false contained: isModifier: false short: Contained, inline Resources index: 1 comments: This should never be done when the content can be identified properly, as once identification is lost, it is extremely difficult (and context dependent) to restore it again. type: Resource mustSupport: false array: true maxLength: 0 base: {max: '*', min: 0, path: DomainResource.contained} isSummary: false extension: isModifier: false short: Additional Content defined by implementations index: 2 comments: There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone. type: Extension mustSupport: false array: true maxLength: 0 base: {max: '*', min: 0, path: DomainResource.extension} isSummary: false modifierExtension: isModifier: true short: Extensions that cannot be ignored index: 3 comments: There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions. The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone. type: Extension mustSupport: false array: true maxLength: 0 base: {max: '*', min: 0, path: DomainResource.modifierExtension} isSummary: false package_version: 1.4.0 extensions: {} class: resource kind: resource url: http://hl7.org/fhir/StructureDefinition/DomainResource base: http://hl7.org/fhir/StructureDefinition/Resource version: null