description: The C-CDA on FHIR Informant Extension describes an information source for any content within the clinical document. This informant is constrained for use when the source of information is an assigned health care provider for the patient. package_name: hl7.fhir.us.ccda derivation: constraint name: InformantExtension type: Extension elements: url: pattern: {type: Uri, value: 'http://hl7.org/fhir/us/ccda/StructureDefinition/InformantExtension'} index: 0 valueReference: type: Reference mustSupport: true refers: ['http://hl7.org/fhir/StructureDefinition/RelatedPerson', 'http://hl7.org/fhir/us/core/StructureDefinition/us-core-patient', 'http://hl7.org/fhir/us/core/StructureDefinition/us-core-practitioner', 'http://hl7.org/fhir/us/core/StructureDefinition/us-core-practitionerrole'] index: 1 slicing: slices: valueReference: match: {} schema: type: Reference mustSupport: true refers: ['http://hl7.org/fhir/StructureDefinition/RelatedPerson', 'http://hl7.org/fhir/us/core/StructureDefinition/us-core-patient', 'http://hl7.org/fhir/us/core/StructureDefinition/us-core-practitioner', 'http://hl7.org/fhir/us/core/StructureDefinition/us-core-practitionerrole'] _required: true index: 1 min: 1 package_version: 1.1.0 class: extension kind: complex-type url: http://hl7.org/fhir/us/ccda/StructureDefinition/InformantExtension base: http://hl7.org/fhir/StructureDefinition/Extension version: 1.1.0 required: [valueReference]