description: The Provenance/AuditEvent resources can represent the same information. Note that the Provenance/AuditEvent resources can represent the same information. package_name: hl7.fhir.core derivation: constraint name: gatewayDevice type: Extension elements: extension: {index: 0} url: type: uri pattern: {type: Uri, value: 'http://hl7.org/fhir/StructureDefinition/observation-gatewayDevice'} index: 1 valueReference: type: Reference refers: ['http://hl7.org/fhir/StructureDefinition/Device'] index: 2 package_version: 3.5.0 extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/StructureDefinition/observation-gatewayDevice base: http://hl7.org/fhir/StructureDefinition/Extension version: null