description: Media to render/make available as an accompaniment to the question being asked, for example - an image, video or audio clip.  This does not replace the need for item.text.  The attachment.text SHOULD be present as the alternative/accessibility text for systems unable to expose the media and users unable to consume it.  Media.contentType SHALL be present.  When included in a QuestionnaireResponse it SHALL be the same as the media for the same item in the Questionnaire.
package_name: hl7.fhir.uv.sdc
derivation: constraint
name: ItemMedia
type: Extension
elements:
  extension: {index: 0}
  url:
    pattern: {type: Uri, value: 'http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-itemMedia'}
    index: 1
  value:
    choices: [valueAttachment]
    index: 3
  valueAttachment: {type: Attachment, choiceOf: value, index: 4}
package_version: 4.0.0-ballot
extensions: {}
class: extension
kind: complex-type
url: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-itemMedia
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 4.0.0-ballot