description: A FHIR Query that resolves to one or more resources that can be displayed to the user to help provide context for answering a question. For example, if the question is \"Has the patient discussed this issue on any visits in the past year?\", the contextExpression might return the set of patient's encounters for the prior 12 month period to help jog the practitioner's memory.
package_name: hl7.fhir.uv.sdc
derivation: constraint
name: ContextExpressionExtension
type: Extension
elements:
  url:
    type: uri
    pattern: {type: Uri, value: 'http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-contextExpression'}
    index: 0
  valueExpression: {type: Expression, index: 1}
package_version: 2.7.0
class: extension
kind: complex-type
url: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-contextExpression
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 2.7.0