description: This constrained Binary resource can carry any pure binary content., whether this is text, image, pdf, zip archive, etc... This resource is generally used as the target of a Document Reference or an Attachment. package_name: gpc.stu3.fhir-assets derivation: constraint name: ITK-Attachment-Binary-1 type: Binary elements: securityContext: {index: 0} content: {index: 1} package_version: 1.3.0 class: profile kind: resource url: https://fhir.nhs.uk/STU3/StructureDefinition/ITK-Attachment-Binary-1 base: http://hl7.org/fhir/StructureDefinition/Binary version: 1.1.0