http://hl7.org/fhir/StructureDefinition/questionnaire-usageMode|5.2.0
Identifies that the specified element should only appear in certain \"modes\" of operation.
description: Identifies that the specified element should only appear in certain \"modes\" of operation. derivation: constraint name: QRUsageMode type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://hl7.org/fhir/StructureDefinition/questionnaire-usageMode'} index: 1 value: choices: [] index: 3 extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/StructureDefinition/questionnaire-usageMode base: http://hl7.org/fhir/StructureDefinition/Extension version: 5.2.0 required: [value]