http://hl7.org/fhir/StructureDefinition/Attachment|5.0.0

Attachment Type: For referring to data content defined in other formats.
NameFlagsCardTypeDescription & Constraints
Attachment
0..*Content in a format defined elsewhere
 
contentType
Σ
0..1codeMime type of the content, with charset etc. MimeType (required)
 
language
Σ
0..1codeHuman language of the content (BCP-47) Language (required)
 
data
0..1base64BinaryData inline, base64ed
 
url
Σ
0..1urlUri where the data can be found
 
size
Σ
0..1integer64Number of bytes of content (if url provided)
 
hash
Σ
0..1base64BinaryHash of the data (sha-1, base64ed)
 
title
Σ
0..1stringLabel to display in place of the data
 
creation
Σ
0..1dateTimeDate attachment was first created
 
height
0..1positiveIntHeight of the image in pixels (photo/video)
 
width
0..1positiveIntWidth of the image in pixels (photo/video)
 
frames
0..1positiveIntNumber of frames if > 1 (photo)
 
duration
0..1decimalLength in seconds (audio / video)
 
pages
0..1positiveIntNumber of printed pages