description: Defines elements that support auto-population and pre-population of questionnaires using the Expression-based population mechanism package_name: hl7.fhir.uv.sdc derivation: constraint name: SDCQuestionnairePopulateExpression type: Questionnaire elements: extension: type: Extension mustSupport: false url: http://hl7.org/fhir/StructureDefinition/cqf-library index: 0 slicing: slices: library: match: {} schema: {type: Extension, mustSupport: false, url: 'http://hl7.org/fhir/StructureDefinition/cqf-library', index: 0} min: 0 launchContext: match: {} schema: {type: Extension, mustSupport: true, url: 'http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-launchContext', index: 1} min: 0 itemPopulationContext: match: {} schema: {type: Extension, mustSupport: true, url: 'http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-itemPopulationContext', index: 2} min: 0 max: 1 variable: match: {} schema: {type: Extension, mustSupport: true, url: 'http://hl7.org/fhir/StructureDefinition/variable', index: 3} min: 0 item: constraint: sdc-pop-1: {human: An item cannot have both initial.value and initialExpression, source: 'http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-pop-exp', severity: error, expression: 'initial.empty() or extension(''http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-initialExpression'').empty()'} index: 4 extensions: isSubject: {url: 'http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-isSubject', min: 0, max: 1, type: Extension, index: 13} itemHidden: {url: 'http://hl7.org/fhir/StructureDefinition/questionnaire-hidden', min: 0, max: 1, type: Extension, index: 11} candidateExpression: {url: 'http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-candidateExpression', min: 0, max: 1, type: Extension, index: 9} unit: {url: 'http://hl7.org/fhir/StructureDefinition/questionnaire-unit', min: 0, max: 1, type: Extension, mustSupport: true, index: 5} initialExpression: {url: 'http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-initialExpression', min: 0, max: 1, type: Extension, index: 8} itemPopulationContext: {url: 'http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-itemPopulationContext', min: 0, max: 1, type: Extension, mustSupport: true, index: 6} contextExpression: {url: 'http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-contextExpression', min: 0, type: Extension, index: 10} choiceColumn: {url: 'http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-choiceColumn', min: 0, type: Extension, index: 12} itemVariable: {url: 'http://hl7.org/fhir/StructureDefinition/variable', min: 0, type: Extension, index: 7} elements: extension: type: Extension mustSupport: true url: http://hl7.org/fhir/StructureDefinition/questionnaire-unit index: 5 slicing: slices: isSubject: match: {} schema: {type: Extension, url: 'http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-isSubject', index: 13} min: 0 max: 1 itemHidden: match: {} schema: {type: Extension, url: 'http://hl7.org/fhir/StructureDefinition/questionnaire-hidden', index: 11} min: 0 max: 1 candidateExpression: match: {} schema: {type: Extension, url: 'http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-candidateExpression', index: 9} min: 0 max: 1 unit: match: {} schema: {type: Extension, mustSupport: true, url: 'http://hl7.org/fhir/StructureDefinition/questionnaire-unit', index: 5} min: 0 max: 1 initialExpression: match: {} schema: {type: Extension, url: 'http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-initialExpression', index: 8} min: 0 max: 1 itemPopulationContext: match: {} schema: {type: Extension, mustSupport: true, url: 'http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-itemPopulationContext', index: 6} min: 0 max: 1 contextExpression: match: {} schema: {type: Extension, url: 'http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-contextExpression', index: 10} min: 0 choiceColumn: match: {} schema: {type: Extension, url: 'http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-choiceColumn', index: 12} min: 0 itemVariable: match: {} schema: {type: Extension, url: 'http://hl7.org/fhir/StructureDefinition/variable', index: 7} min: 0 package_version: 4.0.0-ballot extensions: library: {url: 'http://hl7.org/fhir/StructureDefinition/cqf-library', min: 0, type: Extension, mustSupport: false, index: 0} launchContext: {url: 'http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-launchContext', min: 0, type: Extension, mustSupport: true, index: 1} itemPopulationContext: {url: 'http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-itemPopulationContext', min: 0, max: 1, type: Extension, mustSupport: true, index: 2} variable: {url: 'http://hl7.org/fhir/StructureDefinition/variable', min: 0, type: Extension, mustSupport: true, index: 3} class: profile kind: resource url: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-pop-exp base: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnairecommon version: 4.0.0-ballot