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.r4b derivation: constraint name: ItemMedia type: Extension elements: url: type: uri pattern: {type: Uri, value: 'http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-itemMedia'} index: 0 value: choices: [valueAttachment] index: 2 valueAttachment: {type: Attachment, choiceOf: value, index: 3} package_version: 3.0.0 class: extension kind: complex-type url: http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-itemMedia base: http://hl7.org/fhir/StructureDefinition/Extension version: 3.0.0