description: A group or place of religious practice that may provide services to the patient. package_name: rs/hl7.fhir.r4.examples derivation: constraint name: congregation type: Extension elements: extension: {index: 0} url: pattern: {type: uri, value: 'http://hl7.org/fhir/StructureDefinition/patient-congregation'} type: uri index: 1 value: choices: [valueString] index: 3 valueString: {type: string, choiceOf: value, index: 4} package_version: 4.0.1 extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/StructureDefinition/patient-congregation base: http://hl7.org/fhir/StructureDefinition/Extension version: 4.0.1 required: [value, valueString]