description: Extension to describe the licensing conditions under which this HealthcareService (and related) resources may be used. package_name: ca.on.oh-ereferral-econsult derivation: constraint name: UsageLicense type: Extension elements: url: pattern: {type: Uri, value: 'http://ehealthontario.ca/fhir/StructureDefinition/ext-usage-license'} index: 0 value: mustSupport: true choices: [valueUrl] index: 2 valueUrl: {type: url, mustSupport: true, choiceOf: value, index: 3} package_version: 0.11.0-alpha1.0.6 class: extension kind: complex-type url: http://ehealthontario.ca/fhir/StructureDefinition/ext-usage-license base: http://hl7.org/fhir/StructureDefinition/Extension version: null