description: This extension identifies a profile the system will recognize. If the system supports the _profile search parameter, it will be capable of searching on the profile. The system may support validation against the profile. package_name: hl7.fhir.uv.extensions.r5 derivation: constraint name: CSDeclaredProfile type: Extension elements: extension: {index: 0} url: pattern: {type: uri, value: 'http://hl7.org/fhir/StructureDefinition/capabilitystatement-declared-profile'} type: uri index: 1 value: choices: [valueCanonical] index: 3 valueCanonical: {type: canonical, choiceOf: value, index: 4} package_version: 5.3.0-ballot-tc1 extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/StructureDefinition/capabilitystatement-declared-profile base: http://hl7.org/fhir/StructureDefinition/Extension version: 5.3.0-ballot-tc1 required: [value, valueCanonical]