description: Effective intervention for when the patient has an urge to use nicotine substances (for example wants to smoke a cigarette). An example would be if asking that the patient take a glass of water when they feel the urge to smoke has been effective for this patient. package_name: com.alextherapeutics.fhir.nicotine derivation: constraint name: EffectiveNicotineIntervention type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://www.alextherapeutics.com/fhir/StructureDefinition/effective-nicotine-intervention'} index: 1 value: choices: [valueString] index: 3 valueString: {type: string, choiceOf: value, index: 4} package_version: 1.0.1 extensions: {} class: extension kind: complex-type url: http://www.alextherapeutics.com/fhir/StructureDefinition/effective-nicotine-intervention base: http://hl7.org/fhir/StructureDefinition/Extension version: 1.0.0