http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-itemAnswerMedia|4.0.0-ballot

Media to render/make available as an accompaniment to a specific answer option, for example - an image, video or audio clip. This does not replace the need for answer.value[x]. 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 corresponding answerOption in the Questionnaire.
description: Media to render/make available as an accompaniment to a specific answer option, for example - an image, video or audio clip.  This does not replace the need for answer.value[x].  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 corresponding answerOption in the Questionnaire.
derivation: constraint
name: ItemAnswerMedia
type: Extension
elements:
  extension: {index: 0}
  url:
    pattern: {type: Uri, value: 'http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-itemAnswerMedia'}
    index: 1
  value:
    choices: []
    index: 3
extensions: {}
class: extension
kind: complex-type
url: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-itemAnswerMedia
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 4.0.0-ballot