{"category":[{"coding":[{"code":"DriveAndMachines","display":"Effects on Ability to Drive and Use Machines","system":"http://hl7.org/fhir/clinical-use-definition-category"}]}],"extension":[{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-wg","valueCode":"brr"}],"id":"example-warning","resourceType":"ClinicalUseDefinition","subject":[{"reference":{"reference":"MedicinalProductDefinition/example"}}],"type":"warning","warning":{"description":"May cause drowsiness. Avoid driving or operating heavy machinery."}}