description: What is the weight of the contribution of this measure to the overall performance score specified by a value-based contract. package_name: hl7.fhir.us.davinci-vbpr.r4 derivation: constraint name: Weight type: Extension elements: extension: {index: 0} url: pattern: {type: Uri, value: 'http://hl7.org/fhir/us/davinci-vbpr/StructureDefinition/weight'} index: 1 value: choices: [valueDecimal] index: 3 valueDecimal: {type: decimal, choiceOf: value, index: 4} package_version: 1.1.0 extensions: {} class: extension kind: complex-type url: http://hl7.org/fhir/us/davinci-vbpr/StructureDefinition/weight base: http://hl7.org/fhir/StructureDefinition/Extension version: 1.1.0 required: [valueDecimal, value]